The longest singles match in recorded tennis history took place at Wimbledon in 2010, when John Isner defeated Nicolas Mahut 6-4, 3-6, 6-7, 7-6, 70-68. The match lasted for 11 hours and 5 minutes.
The longest singles match in recorded tennis history took place at the 1982 Davis Cup Quarterfinals when John McEnroe defeated Mats Wilander 9-7, 6-2, 15-17, 3-6, 8-6. The match lasted for 6 hours and 32 minutes.