Heike Thoms defeated Mirja Wagner 6-3 6-4 in the Langenthal 10K round of 16 on carpet. The result followed the form book — Heike Thoms came in leading the head-to-head 2–0. Heike Thoms extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-08-31 | Hechinger 10K | R16 | clay | Heike Thoms | 6-4 7-5 |
| 1997-10-07 | Biel 10K | R32 | carpet | Heike Thoms | 6-4 6-2 |