Patty Schnyder defeated Mariaan De Swardt 6-3 6-4 in the Amelia Island round of 32 on clay. The result followed the form book — Patty Schnyder came in leading the head-to-head 2–0, defending last year's round of 64. Patty Schnyder extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-03-18 | Key Biscayne | R64 | hard | Patty Schnyder | 6-3 6-3 |
| 1998-03-30 | Hilton Head | R16 | clay | Patty Schnyder | 6-3 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.