Yvonne Vermaak Doubles 7 (4-3) Doubles 7 (4-3)

| Outcome | Date_ | Tournament | Surface | Partner | Opponents | Score |
|---|---|---|---|---|---|---|
| Runner-up | 16 June 1978 | Chichester , England | Grass | Michelle Tyler | Janet Wright Pam Shriver | 6-3, 3-6, 4-6 |
| Runner-up | 19 July 1981 | Kitzbühel , Austria | Clay | Elizabeth Little | Claudia Kohde-Kilsch Eva Pfaff | 4-6, 3-6 |
| Winner | 9 May 1982 | Perugia , Italy | Clay | Kathy Horvath | Billie Jean Ilana Kloss | 2-6, 6-4, 7-6 |
| Runner-up | 6 November 1982 | Hong Kong | Clay | Jennifer Mundel | Laura Du Pont Alycia Moulton | 2-6, 6-4, 5-7 |
| Winner | 19 September 1983 | Salt Lake City , Utah, USA | Hard | Claudia Monteiro | Amanda Brown Brenda Remilton | 6-1, 3-6, 6-4 |