The American survived 6-3, 6-4, 1-6, 7-6(4) to make the final four at the world’s most important tennis tournament for the first time.

Although his serve pales in comparison to Fritz’s, Khachanov still ranks inside the top 30, so it’s not like he’s an easy player to break. Khachanov’s real advantage in this match is his fitness.

Taylor Fritz has recovered from a mid-match lull during which he was treated by a trainer for a foot problem and reached the Wimbledon semifinals for the first time with a 6-3, 6-4, 1-6, 7-6 (4) victo