Kimberly Po Messerli defeated Rika Hiraki 6-2 6-2 in the Australian Open round of 32 on hard. The result followed the form book — Kimberly Po Messerli came in leading the head-to-head 1–0. Kimberly Po Messerli extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1997-09-15 | Tokyo | R16 | hard | Kimberly Po Messerli | 3-6 7-6 6-3 |