
US Open: Jannik Sinner begins title defense with straight-set win
What's the story
Top seed Jannik Sinner began his US Open title defense with a dominant win over Vit Kopriva. The Italian claimed a 6-1, 6-1, 6-2 victory in the men's singles opening round at Arthur Ashe Stadium. Sinner, who won the 2024 US Open, is vying for his fifth major title. He entered the hard-court Slam after retiring from the Cincinnati Open final against Carlos Alcaraz.
US Open
The defending champion
Sinner won the 2024 US Open men's singles title after beating Taylor Fritz 6-3, 6-4, 7-5 in the final. The top seed dropped only two sets in the entire event. Notably, Sinner became the youngest man to win both hard-court singles Grand Slam titles in the same year. He started the year by winning the Australian Open. Sinner is 18-5 at the US Open.
Form
Five titles in 2025
Earlier this month, Sinner retired through injury in the 2025 Cincinnati Open final against Alcaraz. Before that, he beat Alcaraz to win Wimbledon. Overall, Sinner has won five titles in 2025, the second-most after Alcaraz (7). The Italian currently has a win-loss record of 57-5. He is only behind Alcaraz and Alexander Zverev in terms of match-wins this season.