Dianne Fromholtz Singles: 30 (15–15) Singles: 30 (15–15)

| Outcome | Date_ | Tournament | Surface | Opponent | Score |
|---|---|---|---|---|---|
| Runner-up | 3 October 1977 | Atlanta | Carpet | Chris Evert | 3–6, 2–6 |
| Runner-up | 20 February 1978 | Detroit | Carpet | Martina Navrátilová | 3–6, 2–6 |
| Winner | 4 December 1978 | Sydney | Grass | Kerry Melville Reid | 6–1, 1–6, 6–4 |
| Winner | 18 December 1978 | Sydney | Grass | Wendy Turnbull | 6–2, 7–5 |
| Runner-up | 22 January 1979 | Hollywood | Carpet | Greer Stevens | 4–6, 6–2, 4–6 |
| Winner | 12 March 1979 | Boston | Carpet | Sue Barker | 6–2, 7–6(4) |
| Runner-up | 31 March 1979 | Carlsbad | Hard | Chris Evert | 6–3, 3–6, 1–6 |
| Runner-up | 1 October 1979 | Minneapolis | Carpet | Evonne Goolagong | 3–6, 4–6 |
| Runner-up | 29 September 1980 | Minneapolis | Carpet | Tracy Austin | 1–6, 6–2, 2–6 |
| Runner-up | 6 May 1985 | Sydney | Carpet | Pam Shriver | 3–6, 4–6 |
| Runner-up | 9 March 1987 | Phoenix | Hard | Anne White | 1–6, 2–6 |