Petr Korda defeated Jaime Yzaga 2-6 6-3 7-5 in the Philadelphia round of 16 on hard. The result followed the form book — Petr Korda came in leading the head-to-head 2–0. Petr Korda extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1991-02-11 | Philadelphia | R32 | hard | Petr Korda | 6-4 6-3 |
| 1990-09-24 | Basel | R32 | hard | Petr Korda | 7-6 3-6 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.