| Title | Opponent | Score |
| 1998 IGA Clasic | Venus def Kruger | 6-3,6-2 |
| 1998 Lipton | Venus def Kournikova | 2-6,6-4,6-1 |
| 1998 Grand Slam Cup | Venus def Schnyder | 6-2,3-6,6-2 |
| 1999 IGA Classic | Venus def Coetzer | 6-4,6-0 |
| 1999 Paris Open | Serena def Mauresmo | 6-2,3-6,7-6(4) |
| 1999 Evert Cup | Serena def Graf | 6-3,3-6,7-5 |
| 1999 Lipton | Venus def Serena | 6-1,4-6,6-4 |
| Title | Opponent | Score |
| 1998 IGA Clasic | Venus/Serena def Cristea/Kunce | 7-5,6-2 |
| 1998 European | Venus/serena def Swardt/Tatarkova | 5-7,6-1,6-3 |
| 1999 Honover | Venus/Serena def Fausi/Tauziat | 5-7,6-2,6-2 |
| Title | Opponent | Score |
| 1998 Australian | Venus/Gimelstob def Sukova/Suk | 6-2,6-1 |
| 1998 French Open | Venus/Gimelstob def Serena/Lobo | 6-4,6-4 |
| 1998 Wimbledon | Serena/Mirnyi def Haarhuis/Vis | 4-6,6-4,7-5 |
| 1998 US Open | Serena/Mirnyi def Raymond/Galbraith | 6-2,6-2 |
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