Sometimes, tennis throws you a curveball when you least expect it. Just ask Carlos Alcaraz, who experienced his first real hiccup of the 2025 US Open on Friday morning but responded like the champion he is. The Spanish sensation looked to be cruising against Luciano Darderi, leading by a set and 4-1, when suddenly his body sent him a warning signal. After losing serve for the first time all week, Alcaraz appeared to land awkwardly following a serve and immediately knew something wasn’t quite right with his right knee.

Alcaraz’s Medical Timeout Moment

Picture this: You’re dominating a match at the US Open , the crowd’s behind you, and then your knee decides to have a conversation with you mid-point. That is exactly what happened to Alcaraz during what should have been a routine service

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