Billie Jean King 18 finals (12 titles, 6 runner-ups) 18 finals (12 titles, 6 runner-ups)

| Outcome | Year_ | Championship | Surface | Opponent_in_the_final | Score_in_the_final |
|---|---|---|---|---|---|
| Runner-up | 1963 | Wimbledon | Grass | Margaret Court | 6–3, 6–4 |
| Runner-up | 1965 | U.S. Championships | Grass | Margaret Court | 8–6, 7–5 |
| Winner | 1966 | Wimbledon (1) | Grass | Maria Bueno | 6–3, 3–6, 6–1 |
| Winner | 1967 | Wimbledon (2) | Grass | Ann Haydon-Jones | 6–3, 6–4 |
| Winner | 1967 | U.S. Championships (1) | Grass | Ann Haydon-Jones | 11–9, 6–4 |
| Winner | 1968 | Australian Championships (1) | Grass | Margaret Court | 6–1, 6–2 |
| Winner | 1968 | Wimbledon (3) | Grass | Judy Tegart Dalton | 9–7, 7–5 |
| Runner-up | 1968 | US Open | Grass | Virginia Wade | 6–4, 6–2 |
| Runner-up | 1969 | Australian Open | Grass | Margaret Court | 6–4, 6–1 |
| Runner-up | 1969 | Wimbledon | Grass | Ann Haydon-Jones | 3–6, 6–3, 6–2 |