Severin Luthi defeated Patrick Erhardt 6-2 6-4 in the Switzerland 1 Masters 4 round of 32 on clay. The result followed the form book — Severin Luthi came in leading the head-to-head 1–0. Severin Luthi extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-08-28 | Switzerland 1 Masters 4 | R32 | clay | Severin Luthi | 6-2 6-0 |