As a tennis enthusiast with a deep knowledge of the sport's history, I can tell you that the longest tennis match ever played is the one between John Isner and Nicolas Mahut at the 2010 Wimbledon Championships. This match is notable for its duration and the number of games played. The match took place over the course of three days, with the final score being John Isner defeating Nicolas Mahut with a scoreline of 6-4, 3-6, 6-7(7), 7-6(3), 70-68. The match lasted an astounding 11 hours and 5 minutes, which is why it is often referred to as the "endless match." read more >>

The Isner�CMahut match at the 2010 Wimbledon Championships holds the record for the longest tennis match both in time and games played. 11 h 05 Wimbledon 2010, 1st Round: John Isner def. Nicolas Mahut, 6�C4, 3�C6, 6�C7, 7�C6, 70�C68 (3 days).read more >>