Apart from Carlos Alcaraz's victory at the Arthur Ashe Stadium during the 2025 US Open, America's president Donald Trump's reaction to the Spaniard's victory also stunned the fans. Along with a pool of celebrities, including Courteney Cox, Lindsay Lohan, and Ben Stiller, NBA star Steph Curry, and F1 driver Sergio Pérez, Trump also graced the men's final of the major tournament.Alcaraz won the first set but fell short of maintaining the dominance in the second. However, he recovered from the losing set and built a strong lead in the third and managed to maintain his lead to seal the win and dethrone the Italian from the World No. 1 ranking. After the two hours and 42 minutes clash, Alcaraz defeated Sinner 6-2, 3-6, 6-1, 6-4 to clinch his second US Open title on Sunday, September 7, 2025. Following the feat, Alcaraz rose to the top spot for the first time since September 2023.President Trump sat throughout the two-hour and 42-minute clash. However, while the crowd present at the Arthur Ashe Stadium cheered loudly after the Spanish star's victory, Trump appeared to be serious and unimpressed. The videos of his contrasting reaction went viral on social media, with one of them gathering around a million views and 8,000 comments.Watch President Trump's stern reaction here:President Trump's attendance at the US Open received mixed reactions as the faceoff started 30 minutes late due to his security protocols.Carlos Alcaraz opens up on reclaiming top place after the US Open victory Carlos Alcaraz at the 2025 US Open in New York City. (Photo via Getty Images)Carlos Alcaraz reclaimed the World No.1 spot after his win at the 2025 US Open. In the press conference after the final round, Alcaraz expressed his joy and pride in achieving the goal he had set for the year. He added that reclaiming the top spot, along with winning the Grand Slam, felt even better."Well, it's great when you achieve the goals you set up yourself at the beginning of the year. It feels amazing. So, since I got the chance to recover the No. 1, it was one of the first goals that I had during the season just to try to recover the No. 1 as soon as possible or end the year as a No. 1.""So for me, achieve that once again. It is, as I said, it is a dream," Alcarz added. "Doing the same day as getting another Grand Slam feels even better. This is everything I'm working for, and I'm really happy to be able to live these experiences."Carlos Alcaraz became the third player, after Bjorn Borg and Rafael Nadal, to have earned six major titles before turning 23.