He passed Roger Federer, who has made the final four of Wimbledon 13 times. Jimmy Connors has 11 appearances followed by Boris Becker with 9. It's another key record that adds to Djokovic's case as the best player to ever grace Wimbledon Centre Court.

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 secured his record-breaking 14th Wimbledon semi-final appearance by defeating Flavio Cobolli in four sets. The 38-year-old Serb overcame a first-set loss to demonstrate his experience and skill.