Sandrine Testud advanced when Mariaan De Swardt retired 6-4 in the Canadian Open round of 64. Sandrine Testud claimed a first win over Mariaan De Swardt in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-05-24 | Roland Garros | R64 | clay | Mariaan De Swardt | 6-3 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.