Conchita Martinez defeated Judith Wiesner 6-3 6-3 in the Roland Garros round of 16 on clay. The result followed the form book — Conchita Martinez came in leading the head-to-head 1–0, defending last year's round of 32. Conchita Martinez extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1991-05-27 | Roland Garros | R128 | clay | Conchita Martinez | 6-4 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.