Most tennis Grand Slam singles matches won
- Who
- Roger Federer
- What
- 369 total number
- Where
- Not Applicable
- When
- 05 July 2021
The most tennis Grand Slam singles matches won is 369, by Roger Federer (Switzerland), as of 5 July 2021.
Federer surpasses Serena Williams' total of 367 Grand Slam singles match victories.