What to know about Jannik Sinner, from Grand Slam history to height and age at Australian Open

Jannik Sinner is one of the best tennis players on the planet.

Everyone who watches the sports knows his name, and his rivalry with Carlos Alcaraz is the best thing the sport has going for it.

As Sinner battles away at the Australian Open, it's worth taking a quick peak at what Sinner has already accomplished.

How many Grand Slam titles has Jannik Sinner won?

Sinner has won four Grand Slams entering the 2026 Australian Open.

That includes the last two Australian Open tournaments, in 2024 and 2025.

He also won the U.S. Open in 2024 and Wimbledon in 2025.

Sinner beat then-world No. 1 Novak Djokovic to reach the final in 2024 before using five sets to take down Daniil Medvedev in the final.

He beat Alexander Zverev in the 2025 final in Melbourne.

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Where is Jannik Sinner from?

Jannik Sinner was born in Innichen, Italy, and he lives in Monte Carlo, in Monaco.

He's the first Italian to ever reach world No. 1 in men's tennis.

How tall is Jannik Sinner?

Sinner measures at 6-foot-3.

He uses his long frame effectively to cover the whole court.

How old is Jannik Sinner?

Sinner is 24 years old. 

He'll turn 25 on August 16 (born in 2001).

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