🇮🇹 Italy

Jannik Sinner

ATP Tour World #1 Aggressive Baseline
World No. 1
Updated: Apr 6, 2026
Jannik Sinner on court
👤

Player Profile

Born Aug 16, 2001
Height 1.91 m
Plays RH / 2HBH
Turned Pro 2018
Coach Vagnozzi / Cahill
Nationality 🇮🇹 Italy
Prize Money ~$62M
Tour Titles 27
🎾

Current Equipment — 2025–26

Racquet HEAD TGT 301.4 Pro stock · painted as Speed Pro 2026 Read full racquet review →
Strings HEAD Hawk Touch Full poly · 1.25–1.30mm gauge String profile →
Shoes Nike (custom) Modified GP Challenge 1 fit
Clothing Nike Nike athlete since 2019
String tension
28kg / 62 lbs
Low (18 kg) Tour avg (~24 kg) High (36 kg)

At 28 kg (62 lbs), Sinner strings notably higher than the 2026 ATP average (~50–54 lbs). This is intentional: his elite racquet head speed generates so much pace that he needs extra control from a tighter string bed.

🔍

Pro Stock vs. Retail: What You Can Buy

Pro stock frameHEAD TGT 301.4 (not sold to public)
Painted asHEAD Speed Pro 2026
Head size100 sq. in. / 645 sq. cm.
Weight (unstrung)~305–315 g (customized)
Balance~320 mm / ~4 pts head light
String pattern16 mains × 19 crosses
Swingweight~330–340 (customized)
Closest retail optionHEAD Speed Pro 2026
Pro stock explained: Many ATP pros use frames from older molds they've been comfortable with for years, repainted to match the sponsor's current retail cosmetic. Sinner's TGT 301.4 is not available to buy — but the HEAD Speed Pro 2026 is the closest retail equivalent in feel and specs.
📊

Playing Style & Technique

Play style
Aggressive Baseline
Forehand grip
Semi-Western
Backhand
Two-handed
Serve stance
Pinpoint

Sinner is built around relentless, flat-to-topspin power from the baseline. His forehand is his primary weapon — struck with a semi-western grip generating exceptional pace with heavy topspin, keeping the ball deep and neutralising opponents quickly. His two-handed backhand is equally aggressive and one of the most reliable on tour, allowing him to redirect pace rather than just block it.

His serve has evolved significantly since 2023. He transitioned from a platform stance to a pinpoint stance, adding measurable first-serve speed and consistency — a key reason he broke through to multiple Grand Slam titles.

How his equipment supports his style: The stiff full-poly Hawk Touch setup at 28 kg gives him control to play aggressive without losing depth. The 100 sq. in. head size gives a larger strike zone for consistency under pressure. His racquet is customized heavier than stock — matching his preference for a stable, plow-through feel.

🏆

Career Highlights

27
ATP Titles
350–88
Career W-L
79.9%
Win Rate
#1
Career High
$62M
Prize Money
4
Grand Slams
Australian Open
W '24 '25
Roland Garros
F '25
Wimbledon
W '25
US Open
W '24

Frequently Asked Questions

Sinner uses a HEAD TGT 301.4 — a customized pro stock frame not available to the public. It's painted to look like the retail HEAD Speed Pro 2026. Most top pros use older pro stock molds they're comfortable with, repainted to match the current product line. The closest racquet you can buy is the HEAD Speed Pro 2026.
Sinner uses HEAD Hawk Touch polyester strings — a full poly setup (no hybrid). The gauge varies between 1.25mm and 1.30mm. Hawk Touch is a softer, arm-friendly co-poly that still delivers excellent control. Find it profiled on our string page here.
28 kg (62 lbs) — significantly higher than most ATP pros in 2026, where the average has drifted toward the low-50s lbs range. Sinner's exceptional swing speed means he generates so much pace that he needs a tighter, more controlled string bed to keep the ball in. He's one of a small group of modern pros who still string this high.
Yes. The HEAD TGT 301.4 is a pro stock mold — a production frame HEAD makes specifically for tour professionals, not sold to consumers. Pro stock racquets are often heavier, have different flex or balance profiles, and are built to the individual player's specifications. Sinner's is also customized further — typically weighted up with lead tape and silicone to match his preferred feel.
Sinner wears Nike tennis shoes. He's been spotted in a customized version close to the Nike GP Challenge 1 — with a modified sock liner and material adjustments to replicate the fit of the discontinued Nike Zoom Zero. Like his racquet, his shoes are customized and not available in the same form to the public.
Not directly. His 28 kg tension is one of the highest on tour and is calibrated to elite-level swing speed. For most club players, that tension on full poly will feel dead, low on power, and potentially hard on your arm. However, HEAD Hawk Touch as a string choice translates well — it's softer than strings like Luxilon ALU Power. Try it at 22–25 kg (48–55 lbs) for a Sinner-inspired result. Use our racquet advisor and string advisor to dial in the right setup for your game.