Wendy Turnbull Women's doubles: 15 (4 titles, 11 runner-ups) Women's doubles: 15 (4 titles, 11 runner-ups)

| Outcome | Year_ | Championship | Surface | Partner | Opponents | Score |
|---|---|---|---|---|---|---|
| Winner | 1978 | Wimbledon | Grass | Kerry Melville Reid | Mima Jaušovec Virginia Ruzici | 4–6, 9–8(12–10), 6–3 |
| Runner-up | 1978 | US Open | Hard | Kerry Melville Reid | Billie Jean King Martina Navrátilová | 7–6, 6–4 |
| Winner | 1979 | French Open | Clay | Betty Stöve | Françoise Dürr Virginia Wade | 3–6, 7–5, 6–4 |
| Runner-up | 1979 | Wimbledon | Grass | Betty Stöve | Billie Jean King Martina Navrátilová | 5–7, 6–3, 6–2 |
| Winner | 1979 | US Open | Hard | Betty Stöve | Billie Jean King Martina Navrátilová | 7–5, 6–3 |
| Runner-up | 1980 | Wimbledon | Grass | Rosie Casals | Kathy Jordan Anne Smith | 4–6, 7–5, 6–1 |
| Runner-up | 1981 | US Open | Hard | Rosie Casals | Kathy Jordan Anne Smith | 6–3, 6–3 |