Naoko Sawamatsu defeated Yayuk Basuki 6-1 1-6 6-1 in the Hilton Head round of 64 on clay. The upset overturned the form book — Yayuk Basuki came in leading the head-to-head 1–0. Naoko Sawamatsu claimed a first win over Yayuk Basuki in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1997-01-13 | Australian Open | R128 | hard | Yayuk Basuki | 6-3 4-1 RET |