Wimbledon is the last Grand Slam to play 64 matches on its first day. That's worse for revenue, but better for tennis.

The London Underground — how the majority of people travel to Wimbledon — closes at approximately midnight on weekdays and it can take fans 20 minutes to get to the station from the All England Club. Rules state a match cannot go past 11 p.m. local time.

Novak Djokovic launches his bid for a record 25th Grand Slam crown at Wimbledon on Tuesday as Barbora Krejcikova begins her title defence with major questions over her fitness on another sizzling day in London.