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Wilson Triniti Pro

by TN

Wilson went environmentally friendly in 2019 with the Wilson Triniti balls. Now they launch the heavy-duty Wilson Triniti Pro.

Tennisnerd contributor and racquet tester extraordinaire, Henrik Wallensten, reviewed the first Wilson Triniti ball here. Now Wilson launches the Wilson Trinti Pro, which is a bit more expensive and tailored towards advanced and heavy use. The Triniti Pro features premium woven felt “for a consistent bounce” while the ball will feel fresh for hours of use thanks to the Engage Core of integrated plastomer material.

What's different from a traditional ball? The Wilson Triniti Pro comes in a octagonal container, which is 100% recyclable after use. Wilson calls it a “better ball for the planet”.

How does it play?

I have not yet tested the Wilson Triniti Pro, so I can't say, but I am going to order a can, sorry sleeve and do a review. A few facts about the Wilson Triniti Pro ball:

  • All court surfaces
  • Fully recyclable packaging
  • USTA approved
  • ITF approved

Wilson has made a few strides in the “save the environment”-direction for their product marketing (besides launching a bunch of different design collaborations for their standard racquets). I'm thinking mainly about their Wilson Naked racquets , which created quite a stir due to their stiff price tag (about double a standard racquet). These balls are a bit more expensive than your standard can, which I personally would like to understand why. Is it the packaging that costs more? Or is the engineering of the ball more expensive?

No matter what, I think it's sensible to pay a bit more for quality tennis balls. You will get better playability and durability out of them, so I wouldn't try to be too budget conscious around tennis balls if possible.

Keen to hear if you have had any experience with the Wilson Triniti and the Triniti Pro. I'm quite picky when it comes to what tennis balls I use and although I think it's important to be environmentally conscious, I'm not sure how much of a sacrifice in performance you have to make when choosing the Triniti ball over a regular tennis ball.

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Hans October 20, 2021 - 15:53

I got me a box of 72 Trinity balls a while ago. They came in just a big brown cardboard box and no cans or anything. I was going to test them in my ball machine as complement to the pressureless balls I normally use. They work fine for this btw.
I also did a test with a training partner where we compared them to Wilson US Open. When we did this test, we had all sorts of opinions about bounce and feel. After a while, we started to mix the two ball types together and went on hitting. After a while, we totally forgot about testing and couldn’t really tell which was which without looking. My take on this is that there are some differences but they have much less impact than other variations on the court, like uneven surface, wind, stroke variations, mishitting etc.

Nothing to complain about with the Trinity balls. I will buy them again and I will compare to the new pro model when available.

Alexey October 20, 2021 - 22:37

Used the trinity.balls for a while on clay and hard courts. Pros: bounces on the same hight even when is already bold. For our type of game it become in a couple, maybe 3 weeks. Cons: different feel in the begging and after 3-4 hours of play. Very hard first, than became same as usual ball. Also almost all balls rips on the line between pile after maybe 6 hours of play. But still bounce hight remains the same.
As to conclusion IMHO. I don’t understand in using these balls for advanced or pro players because of inconsistency feeling after the ball. But for beginners or maybe intermediate players or ball machines it’s perfect ball due to it long live so to say.

Paul Stokstad October 21, 2021 - 23:37

The triniti ball is more or less indistinguishable from a pressured ball. Its not like the old Tretorn where the sound and to some degree the hit was distinct.

I got a whole box of these (bulk) about 6 months ago and they still bounce wonderfully well.

The only problem I have is that I seem to be losing them one by one. Maybe they are escaping from the jail-like hopper at night and wandering around the Midwest.

I’d like to know why they needed a Pro version when the regulars are already very very good.

The man November 22, 2021 - 07:45

The positive reviews are all fake. They’re very similar to the ones at tennis warehouse – which are all demonstrably fake too. Just Wilson marketing at work. These are most likely junk but I haven’t played with them. If I could get an actual review that was unbiased I would buy some.

Patrik December 9, 2021 - 21:32

I hope you will do a review soon, because so far I haven’t found any information about why should one get these instead of the regular Triniti. The difference in price is very high, Triniti Pro are almost twice as expensive as regular Triniti in the e-shop where I usually order tennis stuff.

Meanwhile, I want to share my experience with the Triniti balls (not the Pro line, obviously), so that Mr. “The Man” can be happy that not all reviews are fake. I would personally guess that none of these comments here are fake. It’s always funny when a guy on the internet writes a strong opinion on something he hasn’t even tried and accuses all the others of fake reviews.

I got my first pack of Triniti balls in April 2021. We usually play on carpet tennis court, which is similar to grass, as for the bounces and speed. The balls were very solid right from the beginning and they felt really good. We were hitting with great control and the overall quality of a new Triniti ball is comparable to any other freshly opened ball from pressurised can (we usually play with Dunlop Fort All Court, Tecnifibre X-One, Head Pro or Head Tour, which are my favourite right now).

The difference between the Triniti and all the others is that the core never gets floppy, so the bounce quality is great even after many hours of playing. I still have the balls from that first packaging a I don’t think it will ever become a dull piece of ball. It’s actually even more lively after extensive use as the felt wears off. And that is the main problem after 5-6 hours of play – since the felt is not so thick anymore and the bounce remains the same, they become too lively and very hard to control. Therefore I would like to know if there is any upgrade on the felt with Triniti Pro. If the ball surface can retain its quality for longer time, the ball could easily be used for 10+ hours without losing much of the initial controllability.

However, I must admit I am not a big fan of playing with Triniti on clay. I am not too good on the surface and having to deal with high top spins on clay is a nightmare to me. With regular balls from pressurised package I can be sure that after a couple of games the ball will loose the initial extra pop and it becomes easier to deal with the top spins. We are not professionals, so we don’t change the balls every time after 7 games, but rather after 5-6 sets. However, with Triniti the bounces remain the same for too long, which is not what I really want on clay 🙂 Moreover after 6 hours they become really wild because of the combination of worn off felt and super steady core.

So basically Triniti is my number one choice for long hours on our carpet court, where we play and grind at least twice a week. Players who are fans of higher bounces are happy, because most other balls stay too low on the surface even after 2-3 hours of play. And even though I totally prefer the low bounces of a little worn out ball, playing with Triniti on the carpet helps me to get used to all the situations I hate when playing with any kind of new balls on clay. Maybe one day I will be comfortable with Triniti on clay as well.

One last thing: If you like to practice on the wall, you will totally appreciate the rock solid core of Triniti. Obviously you don’t want to grind on the wall with new balls from freshly opened can. But you don’t want to do it with some old floppy balls either, because you would have no proper bounce and would have to play too close to the wall. The Triniti balls are great for this, because they always bounce like a new one, or even more when the felt wears off. So even after it becomes unplayable on court, it’s still great for hitting against the wall for many more hours.

Mac January 4, 2022 - 09:13

I bought a case and they are the best balls Period! WTA finals used this ball and they knew what they were doing. I practice 5-6 days a week. They are more consistent than any other ball on the market. You can beat the crap out of them and they just keep on bouncing. ???

The man April 3, 2022 - 14:17

That was me saying they were all fake reviews. That may or may not be the case, the fact is, I tried the triniti pros and they are awesome. They’re as good as day old tennis balls, only they last for at least six months. Been using mine in a ball machine and for regular play and absolutely love these. I’ll never go back to paying for balls that last only two days.

JN619 May 1, 2022 - 05:52

There is a significant difference between this ball and a pressurized can. The sound and the bounce are totally different. We watched matches with high level junior players and are concerned with the weight of the balls and their flight. All players likened these to glorified green dots. I agree.

Stef May 20, 2022 - 19:21

Crap ball on indoor court. Jump right left up and down. The are NOT round… The 2 halves are not put together as they should.. I just got my money back from a major seller in europe after a couple of months playing with a ballmachine…
Back to Tretorn pressureless…. what a relief…

AVERY August 9, 2022 - 06:14


True legend for coming back here and replacing your initial skepticism with a genuine positive review.

Deb August 24, 2022 - 18:17

I purchased my first batch of Wilson Triniti balls in Dec. 2020 and not one has worn out! The printing is gone fairly quickly and the felt has gotten progressively thinner but they just keep bouncing along. I am just an old doubles player – don’t play competitively. For me traditional balls seem to be dead after just two days (3 hours total) of play. I was tired of throwing balls and cans into the environnment. I will never play with another ball again. These are amazing! Unfortunately, I tried to order another case in May and they are still on backorder and do not seem to be available anywhere right now. I may have found a site that is selling the pro version. I was trying to find out what the difference was and landed on this site! I’m going back to my search to see if I can purchase some of those right now.

Viktoras October 18, 2022 - 14:29

I am an intermediate player and I play ~3 times a week. For the last six month I was testing and comparing three types of pressure less bals: Trini, Trini PRO, and Tretorn micro X. I have bought 8 bals of each type and was playing with them interchangeably. Here is my ranking:
No. 1. Triniti PRO. My favorite ball. The balls feel and play really really similar to freshly opened regular ball. For me and my partners it was impossible to feel the difference without looking at the ball. They feel good right from the first hit. The bounce is consistent and predictable. For me Triniti PRO felt as a big improvement over regular Triniti.
No 2. Tretorn micro X. Also really liked them. But they sound and feel (just slightly heavier) a bit different then regular balls. I would say the bounce slightly lower compared to freshly opened regular balls. But they do have one small advantage over the other two balls – somehow the felt absorbs less water while playing on a vet court and the ball does not get too heavy. The bounce is consistent and predictable. Nice ball to play for those who preferer less bouncy balls and slightly slower game pace.
No.3 Triniti. There are two main reasons why I ranked at the bottom. The balls feel hard as stone then brand new and need few hours of play to get them softer. But even after that they felt unnaturally hard for my taste. Another reason – they are NOT ROUND and does not have consistent bounce. If you drop them on completely flat surface you can see how they bounce to one side or the other. Also if you try to squeeze them by hand you can feel that some areas are much harder than the others.

After 6 months of playing all of the balls didn’t lose any bounce. The felt of the Triniti and Triniti PRO is still good. Felt of Tretorn got a bit hairy and shaggy, but still totally playable.

Roger October 20, 2022 - 05:17

I tested these balls and also sent several cans to my avid tennis playing parents. As my parents and their friends have all been playing for decades I assumed they’d be resistant to something new. Actually they were all quite impressed with the balls and happy with playability and how long they last has become a running joke with them (father keeps bringing the same balls to play with).

Personally I think they play fine and their longevity makes them more practical than normal balls. I was a high school and D3 player and PTR-certified teacher. I used to always have balls in the hopper for serve and ball machine practice and they started to go flat too soon. With Triniti I think you can easily go 4-5 months before they lose bounce. Given the problems with waste and the unrecyclability of all mainstream tennis balls anything that makes them last longer is ecologically friendly and worthwhile. It also saves money which is a plus. Now I hope they address the microplastics issue next.


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