Most games played in a Grand Slam tennis set
- 纪录保持者
- Nicolas Mahut, John Isner
- 纪录成绩
- 138 total number
- 地点
- United Kingdom (Wimbledon, London,)
- 打破时间
- 01 January 0001
The most games played in a single set in the history of Grand Slam tennis is 138 in the fifth set of the first round Wimbledon Championships match between Nicolas Mahut (France) and John Isner (USA) in Wimbledon, London, UKfrom 23-24 June 2010.