New Delhi, Sept. 8 -- In a final delayed by the visit of US President Donald Trump, Carlos Alcaraz beat Jannik Sinner on Sunday to win the US Open, reasserting his dominance of an era-defining rivalry.

The 22-year-old Alcaraz won 6-2, 3-6, 6-1, 6-4 to capture his second US Open crown and sixth Grand Slam title, avenging his lone defeat in a major final by Sinner at Wimbledon in July.

However, the President did not seem too happy with this win, and the Internet noticed.

In the viral video, Trump, whose attendance at the US Open was met with mixed responses, including boos from the audience, appeared visibly displeased with the outcome of the final match.

Netizens speculated that he might have been rooting for Sinner instead.

"I don't ...