Roger Federer has made a return to Wimbledon — but to watch, not play, tennis. The eight-time champion at the All England Club sat in the Royal Box during his former rival Novak Djokovic's four-set victory over Alex de Minaur in the fourth round Monday.

Novak Djokovic created history by defeating Alex de Minaur in the Wimbledon men's singles Round of 16 to qualify for the Quarter-final. The 38-year-old broke a long-standing world record of Roger Federer with his victory.

After surviving a tough match against Alex De Minaur in the fourth round at Wimbledon, Novak Djokovic had a funny reason why Monday's win meant more to him.