Jannik Sinner wrapped up 2025 in stunning form, winning four of his last five tournaments after losing to Carlos Alcaraz at the US Open.

He picked up titles at the China Open, Vienna Open, Paris Masters, and the ATP Finals, doubling his tournament wins from the previous nine months.

He’s set to return at the 2026 Australian Open. Ahead of that, Sinner has been seen training with a two-time Grand Slam champion.

Jannik Sinner links up with Simona Halep during pre-season training

Photo by Dan Istitene/Getty Images

Sinner has already started getting ready for the new season, aiming to overtake Carlos Alcaraz as the world’s top-ranked player.

His coach, Darren Cahill, posted an Instagram video showing Sinner training with former world number one Simona Halep.

Halep called time on her car

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