jannik sinner

Jannik Sinner began his 2025 US Open title defense in dominant fashion, dropping just four games in a straight-sets victory (6-1, 6-1, 6-2) over Vit Kopriva in the first round at Arthur Ashe Stadium[1]. Despite playing with a taped blister on his right ring finger, Sinner showed no signs of the illness that forced him to retire from last week’s Cincinnati Open final.

Sinner continued his impressive hardcourt performance, now holding a 66-4 hardcourt record since the start of 2024—the best among all ATP players in that period[1]. His win streak at hard-court Grand Slams stands at 22 matches, the sixth-longest in men’s tennis history, and he remains No. 1 in the ATP rankings[1].

In the second round of the 2025 US Open, Sinner again won in straight sets, this time defeating Alexei Popyrin, bringing his games-lost tally at the tournament to just 11 over two rounds[5]. Both he and rival Carlos Alcaraz, who are on opposite sides of the draw, could potentially meet in the final for the third consecutive major championship—having collectively won the last seven Grand Slam titles[3].

Head-to-head, Sinner has been notably dominant at the majors compared to Alcaraz, with a higher percentage of straight-sets wins and games won since 2024[3]. Sinner has not lost a best-of-five match at a Slam without forcing the opponent to a deciding fifth set, underscoring his resilience in tight matches.

Statistically, Sinner’s 2025 season includes a 31-4 singles record and two singles titles, backing up a career total of 20 singles titles and a prize money haul nearing $46.3 million[2]. At age 24, the Italian star has become the player to beat, drawing historical comparisons to the Federer-Nadal duopoly for his current rivalry with Alcaraz[4]. Predictions for the 2025 US Open champion are split between Sinner and Alcaraz among tennis analysts and panelists[4].

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