Recreational players who track pro gear run into the same wall every time: the tennis racquets on tour are rarely the tennis racquets on the shelf. Paint jobs hide older molds, published specs describe retail frames rather than the customized versions pros swing, and the honest answer to "what does he actually use?" is often a chain of sourcing rather than a single spec sheet.
So instead of profiling one player, we compared three whose setups sit at very different points on the transparency spectrum: Carlos Alcaraz, Jannik Sinner, and Daniil Medvedev. The question we set out to answer is not just what each player uses, but how confidently the public record supports it — and how realistically a club player can replicate it. We are not going to pretend the answer is the same for all three. It isn't, and the gap is the story.
How we evaluated
This is a synthesis, not a hitting session. We did not measure swingweights or sit courtside with a scale. Our sources, in rough order of how much weight we gave them:
- Manufacturer statements and retail spec sheets — Babolat, Head, and Tecnifibre publish specs for the retail frames associated with each player. These are reliable for retail frames and close to useless for pro frames unless the brand confirms the player uses stock.
- Independent gear reporting — outlets like Tennisnerd, Tennis Warehouse's coverage, and interviews with tour stringers and brand technicians. When a brand technician goes on record about a player's mold or a stringer confirms a tension range, we treat that as the strongest available evidence.
- Owner and tester consensus — reviews of the retail versions, which tell us what a buyer actually gets, whether or not it matches the tour frame.
Where these sources disagree, or where a claim traces back only to forum speculation, we say so. Unattributed spec numbers are worse than none, so we've left several out.
Carlos Alcaraz: the closest thing to an honest spec sheet
Alcaraz's association with the Babolat Pure Aero 98 is the best-documented player-frame relationship in this comparison. Babolat itself has marketed the Pure Aero 98 as the frame developed with and used by Alcaraz, and the company publishes the retail specs: a 98 sq in head, 305 g unstrung, 16x19 pattern. Independent reporting — including Tennisnerd's coverage of his setup — has consistently supported the claim that Alcaraz plays a frame very close to retail, with customization mostly in weight and balance rather than a hidden mold.
His string setup is also unusually public. Multiple interviews with Babolat staff and tour-stringer reporting place him in a full bed of Babolat RPM Blast, typically cited around the mid-50s in pounds — a figure that has appeared in enough independent outlets, attributed to his stringing team, that we're comfortable repeating it with the caveat that tour tensions shift week to week with conditions.
What remains unverified: his exact strung weight and swingweight. Numbers circulate, but we haven't found them attributed to Babolat or his team on record, so we won't print them as fact.
Jannik Sinner: a confirmed family, an unconfirmed frame
Sinner plays a Head Speed — that much Head confirms and markets heavily. What Head does not confirm, and what independent reporting has consistently questioned, is whether the frame under the paint matches the current retail Speed Pro (100 sq in, 310 g unstrung, 18x20 by Head's published specs).
The consensus among gear reporters, including repeated Tennisnerd analysis, is that Sinner uses an older-generation Speed mold in current cosmetics — a standard tour practice, and not a knock on Head, but it means the retail spec sheet describes a different racquet than the one winning majors. His strings are better documented: Head Hawk Touch has been widely and consistently reported as his string of choice across independent outlets, though his precise tension has not, to our reading, been confirmed on record by his team.
So the Sinner buyer faces a split: the string setup is replicable with confidence; the frame is replicable only in silhouette.
Daniil Medvedev: the retail frame is a costume
Medvedev endorses the Tecnifibre TFight 305, and Tecnifibre publishes full retail specs for it. But the independent reporting here is unusually direct: gear outlets and pro-stock specialists have long identified Medvedev's actual frame as an older Tecnifibre mold — most commonly cited as a TF40-family or earlier pro-stock layup — carrying the TFight cosmetic. Tecnifibre has never published his true specs, and the numbers that circulate in pro-stock communities are secondhand at best.
His reported preference for very low tensions has appeared in stringer interviews over the years, but even that comes with wide ranges attached. Of our three players, Medvedev's setup rests on the thinnest public record. The retail TFight 305 is, by tester consensus, a good racquet — but buying it to "play Medvedev's racquet" is buying the paint, not the frame.
The comparison
| Criterion | Alcaraz (Babolat) | Sinner (Head) | Medvedev (Tecnifibre) |
|---|---|---|---|
| Retail fidelity | High — brand-confirmed near-retail frame | Low-moderate — older mold widely reported | Low — pro stock in retail paint |
| Spec transparency | Frame specs published; tension reported by stringers | Retail specs published; pro specs unconfirmed | Retail specs published; pro specs undisclosed |
| String documentation | Strong (RPM Blast, multiple sources) | Moderate (Hawk Touch confirmed, tension not) | Weak (ranges only) |
| Replicability for a club player | Buy retail Pure Aero 98 + RPM Blast | Retail Speed Pro approximates the idea, not the frame | Retail TFight ≠ his frame |
Read down those columns and the verdict writes itself.
If you want a pro setup you can actually buy, Alcaraz's is the only one of the three where the retail racquet, the string, and the reported tension all trace to named, on-record sources.
Sinner's setup is half-replicable. Medvedev's is, in any honest sense, not replicable at all — and any article telling you otherwise is repeating forum numbers.
Who this approach is for — and who it isn't
If you're an intermediate-plus player choosing between these frames because you follow these players, the useful takeaway is to copy the documented parts: string type, tension range, frame family. That gets you most of the transferable value without chasing unverifiable pro-stock specs.
If you're hunting exact pro specs — gram-for-gram swingweight matches — this comparison will frustrate you, because for two of the three players those numbers simply don't exist on the public record. We'd rather tell you that than invent them. And if any reader has on-record sourcing we've missed, particularly on Sinner's tension or Medvedev's layup, we genuinely want to see it.
Evidence grade
- Alcaraz setup as described: Strong. Brand-confirmed frame, multiply-sourced string and tension reporting.
- Sinner: Moderate. String confirmed; frame generation reported but not brand-confirmed.
- Medvedev: Weak. Retail endorsement confirmed; actual frame and specs rest on secondhand pro-stock reporting. Reviewer note: I string my own frames, and the only pro-derived detail in my bag is the one this article's logic endorses — a full bed of the string my preferred player is documented to use, at the low end of the reported tension range, in a stock retail frame I've never tried to disguise as anything else. The paint on tour frames stopped interesting me the day I learned what was usually under it.