Sergio Cortes defeated Diego Varela 7-5 4-6 6-2 in the Germany 3 Masters 3 qualifying round on clay. The result followed the form book — Sergio Cortes came in leading the head-to-head 1–0. Sergio Cortes extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1991-04-14 | Germany 2 Masters 1 | R32 | clay | Sergio Cortes | 6-3 6-1 |