Thomas Gollwitzer defeated Reto Staubli 4-6 6-2 6-3 in the Czechoslovakia Masters 2 round of 16 on clay. The result followed the form book — Thomas Gollwitzer came in leading the head-to-head 1–0. Thomas Gollwitzer extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1991-08-26 | Czechoslovakia Masters 4 | SF | clay | Thomas Gollwitzer | 6-1 6-2 |