Naoko Sawamatsu defeated Sabine Appelmans 6-3 6-2 in the Filderstadt round of 32 on hard. The upset overturned the form book — Sabine Appelmans came in leading the head-to-head 1–0. Naoko Sawamatsu claimed a first win over Sabine Appelmans in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1997-05-05 | Rome | R64 | clay | Sabine Appelmans | 6-3 6-1 |