World No. 1 Jannik Sinner is back in action in defense of his Cincinnati Open men’s singles title, battling Terence Atmane in Saturday’s semifinal round.

Unless you’re a tennis die-hard, you probably didn’t know much about Terence Atmane before this week. The 23-year-old Frenchman is ranked as the World No. 136 and has played just 14 matches on the ATP Tour in the last calendar year.

World No. 1 Jannik Sinner powered into the semi-finals of the 2025 Cincinnati Open with a dominant victory over Félix Auger-Aliassime, producing a performance he described as one of his sharpest of the week.

At the Cincinnati Open, the spotlight has mostly been on the usual heavyweights—Jannik Sinner and Carlos Alcaraz both cruising past opponents with ease. But this year’s story has an unexpected twist, with a new name forcing his way into the conversation.

Terence spoke about Jannik and dropped an ultimate praise, calling him the most incredible player we have seen in our lifetime! Regardless of their ranking, Atmane will try to impose his tennis and provide a stunner.

World number one Jannik Sinner reaches the Cincinnati Open quarter-finals with a 6-4 7-6 (7-4) victory over a stubborn Adrian Mannarino.

Unseeded Terence Atmane has stormed the semi-finals in Cincinnati, toppling some of the leading names on the ATP circuit.

The Cincinnati Open organized surprise visits for fans from the game's biggest stars like Aryna Sabalenka and Jannik Sinner. Here's how they did it.

Italy’s Jannik Sinner has a big headache to deal with ahead of the US Open. The 24-year-old is currently taking part in the US Open, where he has cemented his spot in the semifinal after beating Canada’s Felix Auger-Aliassime in straight sets with a score of 6-0,

ATP No. 1 Jannik Sinner and former Cincinnati Open champion Coco Gauff are in action Aug. 14. Follow live from Mason.