- Who
- Martina Navratilova, Margaret Du Pont, Louise Brough, Pam Shriver
- What
- 20 total number
- Where
- ()
The most grand slam tournament wins by a doubles partnership is 20 and is shared by Althea Louise Brough (USA) (b. March 11, 1923) and Margaret Evelyn Du Pont (née Osborne) (USA) (b. March 4 1918), (12 US, 5 Wimbledon, 3 French), 1942-57; and by Martina Navratilova (USA) and Pam Shriver (USA), (7 Australian, 5 Wimbledon, 4 French, 4 USA), 1981-9.
