Gilbert Schaller defeated Sergio Cortes 6-1 4-6 6-2 in the Umag round of 32 on clay. The result followed the form book — Gilbert Schaller came in leading the head-to-head 1–0. Gilbert Schaller extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1992-03-16 | Brazil 1 Masters 4 | F | clay | Gilbert Schaller | 6-1 5-7 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.