Jaime Yzaga defeated Chris Garner 7-5 7-5 in the Sao Paulo quarter-final on clay. The result followed the form book — Jaime Yzaga came in leading the head-to-head 1–0. Jaime Yzaga extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1990-02-19 | Philadelphia | R32 | hard | Jaime Yzaga | 6-0 6-4 |