44 Out of 5 Stars 23 Reviews Penn Qst 36 Foam Red Tennis Balls 12 Ball Polybag

Is there such a affair as the best tennis ball? Or can you just play with absolutely anything as long it's round and covered in felt?

The short answer is that information technology mainly boils down to personal preference, but there are certain balls y'all should avoid, certain balls that are more suited to different surfaces and some that are meliorate quality than others.

The good news is there'southward plenty of high-quality tennis assurance the market to choose from.

The ITF has well over 150 approved balls for use, and in this guide, I'll give you a scrap of insight into what I consider some of the best tennis assurance out there, why I similar them, and how they differ in performance from one and other.

Before nosotros become into information technology, the showtime matter to note is that this guide is for tennis balls designed for match utilise and hitting sessions played with a purpose. If y'all are wanting to practice serves or hit 100 forehands in a row that are hand-fed, pretty much any ball will do.

A Quick History Lesson on Tennis Balls

In the 1870s, tennis assurance were fabricated from Bharat prophylactic, which was formed from a vulcanisation process invented by Charles Goodyear.

Originally lawn tennis balls were made solely of rubber, but they were soon improved by covering them with flannel stitched around the safety core. Further developments saw the cadre hollowed and pressurised with gas.

The balls were manufactured using the 'clover-leaf' principle whereby an uncured condom canvass was stamped into a shape resembling a 3-leaf clover, and this was formed into a spherical shape.

As you tin can imagine, this wasn't exactly precision manufacturing, and as the game became more professional person, a college caste of uniformity was required, and so the process inverse to using a pinch mould with two half-shells.

Those of you who watched lawn tennis back in the day when Rod Laver was the man to shell will know the balls were either black or white in color, depending on the colour of the court surface.

Notwithstanding, in 1972 the ITF introduced yellow tennis balls as they were more visible to telly viewers. Wimbledon, in typical style, continued to utilise the traditional white ball, simply somewhen adopted xanthous balls in 1986.

How A Lawn tennis Brawl is Made

What Makes a Good Tennis Ball

What makes a expert ball can exist cleaved down into two categories:

• What players want
• What bodies like the ITF and USTA are looking for

While both needs are different, the two are closely linked.

As a player, I want two things:

• Good immovability
• Consistency in bounce and play

The ITF is looking for much more than that, but their requirements essentially guarantee we as players are going to get both of the above.

In their testing laboratory, when approving balls the ITF tests the following:

• Mass – must be between 56.0-59.4 grams
• Size – appropriate size is adamant using two ring gauges. A ball must pass through the larger ane under its own weight, but not through the smaller one. Each ball is rotated on the gauges to cheque its concentricity.
• Deformation – done initially with a Stevens Machine just now washed with an automated deformation testing device.
• Rebound – the test involves dropping the brawl vertically from a height of 254 cm (100 inches) and measuring the rebound.
• Durability – done via air cannon that fires assurance onto a rigid surface. The impact speed of the ball is 40 thousand/southward (144 km/h); each ball is subjected to xx impacts. The outer surface (cloth) of the ball is then worn by putting 2 balls at a fourth dimension in an abrasion box for two minutes. The chafe box is lined with sandpaper-like material and has three rotating wooden paddles that knock the balls around within the box.

The Types of Ball To Avoid

First up are balls to avert:

Unbranded Assurance

These are the type you observe in your supermarket wrapped in a plastic bag. These balls are good for dogs, but not skilful for tennis. They are commonly heavy, rock hard and play like hitting a brick. Avoid.

Pressureless Tennis Balls

Any decent tennis brawl for match utilise will come in a pressurised container that'southward sealed. While pressureless tennis balls practise accept their applications like with a brawl machine or for basket fed practice drills, if yous're looking to amend and play matches, and so y'all need the balls to be pressurised.

All assurance used in league matches etc. are pressurised, so information technology makes sense to practice with them besides. Otherwise, you'll be in for a nasty surprise come up match 24-hour interval as they fly through the court far more than than pressureless balls.

Avoid Buying From Shops That Don't Sell Balls Frequently

The concluding pitfall to avoid is don't buy balls from places that only sell a tube of balls once in a blue moon.

The reason here is that the pressure level in the tube does leak over time, and so if you buy ane that's been gathering dust for the last 12 months, the assurance won't be as good as a tube fresh from the manufacturer, and they will not bounce as loftier.

So brand sure yous buy from a retailer that's turning over a decent volume of stock throughout the year. That way they're taking delivery of freshly manufactured balls regularly, and the ones you buy won't have been on the shelf for months.

The All-time Tennis Balls on the Market Right Now

Below are what I consider the best tennis balls you tin play with right now. With over 150 ITF approved balls, this is past no means an exhaustive list, simply they are all balls I've tried several times and can recommend.

The below is just my opinion based on spending a minor fortune on balls over the years. It'due south not scientific in terms of weights, firmness, how much the felt fluffs, etc., it's purely my experience and how I recall they play.

Do I recall I could tell the difference between balls in a blind test? While not quite as skilled as Dominica Cibulkova, on some I can tell the divergence immediately, only many play very similar so information technology would be tricky. Based on that there must be some bias based on how I've historically played with a brawl equally to why I like it more than than others 🙂

Tennis Point Premium Ball

• Type: Soft
• Felt: Meaty
• Weight: Medium
• Bounce: Average

The Lawn tennis Point Premium Ball has been my go-to brawl for the terminal few months. Why? Information technology's a premium tennis ball at an affordable price.

I pick these up for £four.61 for a can of 4 (or less when bulk ownership) and considering they are made in the aforementioned mill every bit some of the more well known branded balls (Thailand) information technology'due south a bit of a no brainer.

Information technology's playable fresh from the tube, has a good level of durability, stands upwards well on hard courts and I like the level of touch I get with this ball.

Sadly it's not one that will be bachelor for those of you lot in the United States or outside of Europe only for those of you lot are; I'd recommend giving it a get.

Why I Like The Ball

• Affordable
• Excellent Durability
• Dainty blend of stride, control and bounciness

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Dunlop Fort All Courtroom

• Blazon: Medium
• Felt: Fluffy
• Weight: Heavy
• Bounce: High

The Dunlop Fort All Court is probably ane of the near widely used balls on the planet, and information technology'southward certainly the ball I've used the most over the years. Virtually lawn tennis clubs in the Great britain utilise this ball, and then it's ever-nowadays in league matches and doubles games.

For some reason the Fort All Court divides opinion, some players dearest it, others expect away in disgust when you accept a fresh tin from your bag and instead insist on using their ain Slazenger Wimbledon balls. Even though they're both made in the same factory in the Philippines 😁

I've ever establish it a solid brawl to play with on hard courts. Information technology's not the best brawl I've ever played with, but it is more than skilful enough for social club level play and has ever played consistently for me.

The ball tin feel a bit uncontrollable when fresh from the tube, simply after a quick warm-upward, they play well. In terms of durability, I would say information technology's boilerplate and tin can depend on what atmospheric condition you play in. I become more playtime from the Lawn tennis-Signal Premium Brawl, but the Fort All Court usually plays well for two sets.

Why I Like The Ball

• Affordable
• Ok durability
• Readily bachelor at most retailers

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Tecnifibre 10-One Ball

• Type: Soft
• Felt: Compact
• Weight: Light
• Bounciness: High

The Tecnifibre 10 One Ball is probably the best ball on the market place right now. It'southward a high quality, pro-level tournament brawl and has been used at several ATP 250/500 tournaments including Marseille, Rotterdam, and Gstaad.

The balls are made from high-quality safe made by Bridgestone and covered with 72% natural felt from Milliken whose felts are used on several other high-quality balls.

The X One is durable, and it doesn't ever really turn into a domestic dog ball. It seems to fluff upwards a bit, but never actually goes beyond a sure point, then yous get a consistent speed through the air.

The simply reason I don't employ this ball more regularly is the toll. They come in at double the cost of the Tennis Point Premium Ball, and although they're not bad assurance, I don't think you get double the performance.

If your retailer of choice stocks them (they're not the most widely available), so I recommend you give them a get, and they are certainly a ball worth using for important matches. The final thing to note is the balls aren't numbered (more on that below) but given Tecnifibre balls aren't in widespread use, it likely won't thing.

Why I Like The Ball

• Fluffs up but non excessively, and so plays well for longer
• Great durability
• Consistent bounce and fast through the air

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Dunlop ATP Brawl

• Type: Soft
• Felt: Fluffy
• Weight: Medium
• Bounce: Loftier

Dunlop replaced Penn as the official ATP Bout Ball last yr, and the ball is, of course, bachelor for retail. This is the nigh widely used ball on tour at the moment, and information technology plays well.

From my experience, I discover information technology slightly softer than the Lawn tennis-Point and the Wilson US Open Ball, and so information technology plays a little bit slower and wears quicker.

As a effect, information technology's quite a dainty ball to control and takes spin well, and so information technology's easy to come across why it's the ATP Ball. For the nine games they are used for at the pro level, the Dunlop ATP Ball plays very well.

Withal, for recreational play, they are not the most durable brawl, and from my perspective, I adopt a firmer response that is quicker through the air, but I like this ball on volleys as it gives a nice costly feeling on the strings.

Why I Like The Ball

• Relatively affordable despite carrying the ATP label
• Takes spin well and quite a nice ball to volley/command

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Slazenger Wimbledon Brawl

• Type: Soft
• Felt: Fluffy
• Weight: Heavy
• Bounce: Average

The iconic Slazenger Wimbledon ball. Along with the Dunlop Fort, it's one of the near commonly used balls at club level in the Britain, and pretty much every player who'due south played the game will have used the Slazenger Wimbledon at some point.

The ball is fabricated in the Dunlop factory in Bataan, but it has a denser and fluffier nature than Dunlop branded balls and so plays differently. The Dunlop Fort All Court, for example, are bullet-like when new, the Slazenger Wimbledon is plusher straight from the can.

I'm a big fan of this brawl but only in specific settings. Whenever I use this brawl on difficult courts, it gets fluffed up exceptionally rapidly and seems to play slowly. That might suit some players who want slow-paced points and long rallies, simply I similar a brawl that is flying through the air more.

When it's on grass or bogus grass, it feels much more at habitation. Information technology'south got a proficient weighty experience to it, that thicker felt makes it controllable, and its characteristics make it a good match for a quick surface as it's not flying stupidly fast through the air.

Why I Like The Ball

• Plays great on grass, artificial grass and carpeting courts
• Iconic ball as Slazenger was used at very showtime Wimbledon

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Wilson Us Open up Ball

• Type: Soft
• Felt: Compact
• Weight: Light
• Bounciness: High

Another popular ball that's used widely in the U.s.a. is the Wilson United states of america Open up Ball. I've used this ball extensively over the years and for an actual competitive match, they are probably my favourite brawl to play with.

While many balls take a bit of break-in time for a couple of games, the Us Open up balls play well direct out of the tube and only play consistently well in terms of bounciness.

The downside for me is they don't last that long. They're dandy for a set and a half but wear out quite apace so yous will need to change them quite ofttimes. The good news is they're fairly well priced and you tin selection up some decent bulk deals.

Why I Like The Ball

• Plays well fresh from the tube
• Consistent bounce and feel

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Head Bout / Pro Penn Marathon

• Type: Medium / Difficult
• Felt: Compact
• Weight: Medium
• Bounce: High

Formerly the official ATP ball before Dunlop signed a new deal, the Penn Marathon (or Penn Tour) is widely used in the United States. In Europe, the assurance are sold under the Head brand, but they are the aforementioned ball.

Historically, Penn balls were fabricated in Arizona, but since they were bought out by Head, the factory closed in 2009 and manufacturing was farmed out to China. Many players on the forums say that the US fabricated ones were of better quality but having never used them before the switch I tin't comment.

I've used the Head Bout Ball several times, and it'southward a decent brawl. They are relatively house when fresh from the can so they practise fly early, simply durability is splendid.

While not my personal favourite, it will exist top the list for a lot of players as they're popular at club level, seem to play well even when it's wet (unlike Slazenger Wimbledon balls) and are simply a skillful all-round brawl that performs well on all surfaces.

Why I Similar The Ball

• Good durability
• Consistent bounciness and feel

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Wildcard: Wilson Triniti Ball

• Blazon: Hard
• Felt: Compact
• Weight: Medium
• Bounce: Variable

The final ball on my list is a wildcard pick, and it'due south the Wilson Triniti Ball. Wilson markets this as eco-friendly by virtue of it being in a cardboard tube. And so while information technology's not strictly speaking a pressurised brawl, it does take similar features.

What Wilson has done is to develop a new cadre, called Appoint, which is made of new plastomer material. That makes the cadre supposedly continue its liveliness iv times longer than that in a typical brawl.

The new plastomer-core weighs less than a normal cadre and to brand the overall weight the aforementioned, Wilson has fabricated the new core thicker. As per their marketing, this gives more spin, more than feel, and more control.

I tested this ball when information technology first came out, and it'south an interesting ball. I used them for well-nigh x separate hitting sessions, and the ball will last you a good long time.

When they are fresh from the cardboard tube, I find them hard and challenging to play with, but 20 minutes in, they amend. Overall I notice them slightly inconsistent with bounciness, but I would recommend giving them a get as the durability makes them an excellent choice for players who don't want to proceed buying fresh cans calendar week in and week out.

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Full List of ITF Canonical Balls for 2020

Below you'll see the total listing of ITF approved balls for 2020. Type 1 balls are classified every bit 'fast' balls. Blazon ii assurance are classified as 'medium' balls. Finally, loftier altitude balls, as you would have guessed, are for use on courts at high altitude.

You will also come across that there are only actually three places in the world that make tennis balls – China, the Philippines, and Thailand. Meaning the vast majority of assurance do come from the aforementioned factory. However, the quality of felt, density of felt, and the thickness of the wall of the ball differ.

Ball	Type	Fabricated In
Artengo TB 530	Blazon 2	Thailand
Artengo TB 920	Type ii	Thailand
Artengo TB 930	Type ii	Thailand
Babolat Championship Pressureless	Type 2	Thailand
Babolat Gilt Academy (pressureless)	Type ii	Thailand
Babolat Gilded All Court	Type ii	Thailand
Babolat Golden Championship	Type ii	Thailand
Babolat Gold High Distance	High Distance	Thailand
Babolat Team	Type 2	Thailand
Babolat Team All Courtroom	Blazon 2	Thailand
Babolat Squad Clay	Blazon ane	Thailand
Balls Unlimited Code Black	Type two	Thailand
Balls Unlimited Lawmaking Ruddy	Type 2	Thailand
Bridgestone NX1	Blazon 2	Thailand
Bridgestone XT8	Blazon 2	Thailand
Bridgestone XT8 (PET)	Type 2	Thailand
Cosco Championship	Blazon 2	India
Diadem Premier	Type 2	Thailand
Dunlop Ace All Court	Blazon ii	Philippines
Dunlop ATP	Type 2	Philippines
Dunlop ATP	Type two	Thailand
Dunlop ATP Title	Type 2	Philippines
Dunlop ATP Title Extra Duty	Blazon 2	Philippines
Dunlop ATP Championship Regular Duty	Type 2	Philippines
Dunlop ATP Extra Duty	Blazon 2	Philippines
Dunlop ATP Actress Duty High Altitude	High Altitude	Philippines
Dunlop ATP Regular Duty	Type ii	Philippines
Dunlop Australian Open	Blazon ii	Thailand
Dunlop Australian Open (ii-ball)	Type 2	Thailand
Dunlop Australian Open (Metallic tin can)	Blazon 2	Philippines
Dunlop Australian Open up (PET)	Blazon 2	Philippines
Dunlop Australian Open up (PET)	Blazon 2	Thailand
Dunlop BTV 1.0	Type two	Philippines
Dunlop Championship All Surface	Blazon 2	Philippines
Dunlop Championship Hard Court	Type 2	Philippines
Dunlop Title Difficult Court Loftier Distance	High Altitude	Philippines
Dunlop Club All Court	Blazon 2	Philippines
Dunlop Extra Life (pressureless)	Type 2	Philippines
Dunlop Fort	Type 2	Thailand
Dunlop Fort (PET)	Type 2	Thailand
Dunlop Fort All Court Tournament Select	Blazon 2	Thailand
Dunlop Fort All Court Tournament Select	Type two	Philippines
Dunlop Fort All Court Tournament Select High Altitude	High Altitude	Philippines
Dunlop Fort All Court Tournament Select Swiss	Blazon ii	Philippines
Dunlop Fort Clay Court	Blazon 2	Philippines
Dunlop Fort Elite	Blazon 2	Philippines
Dunlop Fort Max TP (KNLTB)	Type 2	Philippines
Dunlop Fort Tournament	Type two	Philippines
Dunlop Thousand Prix Actress Duty	Blazon 2	Philippines
Dunlop Thousand Prix Regular Duty	Type 2	Philippines
Dunlop Lucifer	Type 2	Philippines
Dunlop Pro Autobus	Type 2	Philippines
Dunlop Tour Brilliance	Type 2	Philippines
Dunlop Tour Performance	Type 2	Philippines
Head Championship	Type 2	Cathay, P.R.
Caput Championship (2-ball)	Blazon 2	Thailand
Head Davis Cup	Blazon ii	China, P.R.
Head Instinct	Type 2	China, P.R.
Caput Marathon (pressureless)	Blazon 2	Thailand
Head Master	Type two	Cathay, P.R.
Caput No.ane	Type 2	China, P.R.
Head Pro	Type ii	China, P.R.
Head Radical	Type 2	Cathay, P.R.
Head Team	Type 2	China, P.R.
Head Tour	Blazon 2	Red china, P.R.
Head Tour High Altitude	High Altitude	Thailand
Head Tour XT	Blazon 2	China, P.R.
HTV Official	Type 2	Thailand
INNI MASTER	Type 2	Indonesia
INNI TOURNAMENT	Type 2	Republic of indonesia
Karakal Ace	Type 2	Chinese Taipei
Maax Force	Type 2	Thailand
Maxed Elite	Blazon 2	China, P.R.
Meister Platinum	Blazon 2	Thailand
Nassau Title	Type 2	Republic of indonesia
Nassau Championship Pro	Type 2	Indonesia
Nassau Arbiter Plus	Type two	Indonesia
Nassau Arbiter Tour	Type 2	Indonesia
Nassau Patriot	Type two	Indonesia
Nassau Nail	Type 2	Indonesia
Nassau Smash Dirt court	Type 2	Indonesia
Nassau Tournament	Type 2	Indonesia
ODEA Honour	Blazon 2	Red china, P.R.
ODEA PASSION	Blazon 2	China, P.R.
ODEA SPEED	Type ii	China, P.R.
Penn Championship Extra Duty	Type ii	China, P.R.
Penn Championship Extra Duty High Altitude	High Altitude	China, P.R.
Penn Championship Regular Duty	Type ii	Mainland china, P.R.
Penn Bout Extra Duty	Type ii	China, P.R.
Penn Tour Extra Duty Loftier Altitude	High Altitude	People's republic of china, P.R.
Penn Tour Regular Duty	Type two	China, P.R.
Prince	Type 2	Thailand
Pro Kennex Championship	Blazon 2	Thailand
Pro Kennex Premium	Type two	Thailand
Pro Kennex Premium High Altitude	Loftier Altitude	Thailand
Pro Penn Marathon Extra Duty	Type 2	China, P.R.
Pro Penn Marathon Extra Duty High Altitude	High Altitude	Mainland china, P.R.
Pro Penn Marathon Regular Duty	Type 2	People's republic of china, P.R.
RS All Courtroom Blackness Edition	Type ii	Thailand
RS Black Edition High Altitude	High Distance	Thailand
RS Club Edition	Blazon ii	Thailand
RS Tour Edition	Blazon two	Thailand
Slazenger Championship	Type ii	Philippines
Slazenger Title Hydroguard	Type two	Philippines
Slazenger Social club All Courtroom	Type ii	Philippines
Slazenger Open	Type 2	Philippines
Slazenger Necktie Break	Type ii	Philippines
Slazenger Tournament	Type two	Philippines
Slazenger Wimbledon	Type 2	Philippines
Slazenger Wimbledon Swiss	Type 2	Philippines
Slazenger Wimbledon Ultra Vis High Distance	High Distance	Philippines
Snauwaert All Court	Type ii	Thailand
Solinco Apex	Type 2	Thailand
Srixon	Blazon 2	Thailand
Srixon Hd	Type i	Thailand
STAR Major Bout	Type ii	Thailand
Tecnifibre Champion	Type 2	Thailand
Tecnifibre Guild	Blazon two	Thailand
Tecnifibre Court	Type two	Thailand
Tecnifibre XLD (pressureless)	Type two	Thailand
Tecnifibre X-One	Type 2	Thailand
Tecnifibre X-1 High Altitude	High Distance	Thailand
Teloon Lux Q1	Type 2	Cathay, P.R.
Teloon Pound	Type ii	Communist china, P.R.
Teloon Pound Tour	Type two	Red china, P.R.
Teloon X-Bout	Blazon 2	China, P.R.
Tennis Indicate Premium	Type two	Thailand
Toalson Championship	Type 2	Republic of indonesia
Torneo	Type two	Communist china, P.R.
Tretorn Micro X (run across annotation)	Type two	Thailand
Tretorn Plus (pressureless)	Type 2	Thailand
Tretorn Pro Control (pressureless)	Type 2	Thailand
Tretorn Pro Court	Blazon 2	Thailand
Tretorn Serie+	Type 2	Thailand
Tretorn Serie+ Control	Type ii	Thailand
Tretorn Swedish Open up	Type ii	Thailand
Tretorn Tournament	Type 2	Thailand
Ultra Shine	Type 2	Thailand
Wilson Championship (pressureless)	Type two	Thailand
Wilson Championship Actress Duty	Blazon 2	Thailand
Wilson Championship Extra Duty (two brawl)	Type 2	Thailand
Wilson Championship Loftier Altitude	Loftier Altitude	Thailand
Wilson Championship Regular Duty	Type two	Thailand
Wilson DTB Bout two.0	Type 2	Thailand
Wilson Prime All Court	Type two	Thailand
Wilson RF Legacy	Blazon 2	Thailand
Wilson Roland Garros All Court	Blazon 2	Thailand
Wilson Roland Garros Clay ASA	Type 2	Thailand
Wilson Roland Garros Clay Court	Blazon 2	Thailand
Wilson Roland Garros Issue	Type 2	Thailand
Wilson Roland Garros Tournament	Blazon ii	Thailand
Wilson Team Practice	Type 2	Thailand
Wilson Titanium	Type 2	Thailand
Wilson TNB Tour 2.0	Type 2	Thailand
Wilson Tour All Courtroom	Type 2	Thailand
Wilson Tour Clay	Type 2	Thailand
Wilson Tour Federal republic of germany	Blazon 2	Thailand
Wilson Bout Premier	Type two	Thailand
Wilson Tour Premier All Courtroom	Type 2	Thailand
Wilson Tour Premier All Court LA	Type two	Thailand
Wilson Bout Premier Dirt (pressureless)	Type two	Thailand
Wilson Tour Premier Clay Court	Type 2	Thailand
Wilson Tour Premier Grass Court	Type 2	Thailand
Wilson Tour Slam	Type ii	Thailand
Wilson Tour Standard	Type 2	Thailand
Wilson Triniti	Type 2	Thailand
Wilson Ultra All Court	Type two	Thailand
Wilson Ultra All Court High Altitude	High Altitude	Thailand
Wilson Ultra Club All Court	Type 2	Thailand
Wilson Ultra Prime	Type ii	Thailand
Wilson Usa Open Actress Duty	Blazon ii	Thailand
Wilson United states of america Open Actress Duty (2 ball)	Type ii	Thailand
Wilson US Open Extra Duty CTS	Type two	Thailand
Wilson United states Open Extra Duty Swiss Tennis	Type 2	Thailand
Wilson US Open up High Altitude	High Distance	Thailand
Wilson The states Open Regular Duty	Type 2	Thailand
Wilson WTV Tour 2.0	Type 2	Thailand
Yonex Game	Type 2	Thailand
Yonex Muscle Power Tournament	Type ii	Thailand
Yonex Tour	Type 2	Thailand

Frequently Asked Questions

Why are some tennis balls numbered?

Whenever you open a fresh can of balls, you will take probably noticed the balls are usually numbered either with a one, 2, three, or 4.

An erstwhile wives' tale is that balls numbered four are better as they are pressurised more. This is false.

The reason they are numbered is to stop them from getting mixed up when you are playing on courts that are side past side.

If 1 courtroom has Wilson US Open Balls marked with a 2, and the other courts are numbered 4, it is easy to distinguish between.

What does Extra Duty mean?

Actress Duty means that the ball has a thicker and more durable felt blanket than a regular duty ball. Extra duty balls are designed for used on hardcourts every bit the surface wears the ball out quicker.

If you lot play on hard courts, utilize actress duty. If you play on dirt, utilize regular duty or assurance marked as dirt specific. Extra duty balls will pick up too much clay.

Why are tennis balls pressurised?

Pressurised balls are sold in airtight containers to maintain the pressure level inside the ball which needs to be 14-16 lbs for a proper bounce.

Because the force per unit area inside the ball is college than the air pressure level exterior, the pressure inside volition leak out slowly over fourth dimension. The sealed force per unit area inside the manufacturer'southward tin can or tube creates an equilibrium effectually the ball which keeps the air inside the ball from seeping out.

What is your favourite tennis ball to play with, and why? Let me know in the comments.

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Source: https://www.perfect-tennis.com/best-tennis-balls/

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