Fast forward to his semifinal against Jannik Sinner, and something pretty unexpected happened on court: Sinner actually apologized to Novak about that fall when the two met at the net following match point. And of course, in true Djokovic fashion, he had the classiest response that’s got everyone talking about his sportsmanship.

Watch live coverage from day 10 of Wimbledon with Novak Djokovic taking on Flavio Cobolli in the quarter-finals.

The 38-year-old overcame a first-set loss to take a 6-7, 6-2, 7-5, 6-4 victory over Italian Flavio Cobolli to advance to the semifinals for the 14th time at the All England Lawn Tennis & Croquet Club. Djokovic has now reached the final four at Wimbledon more than any other men's tennis player, surpassing Roger Federer on Wednesday.