Kimberly Po Messerli defeated Sandra Cacic 6-3 6-2 in the US Open round of 64 on hard. The result followed the form book — Kimberly Po Messerli came in leading the head-to-head 1–0, defending last year's round of 32. Kimberly Po Messerli extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1997-02-17 | Oklahoma | QF | hard | Kimberly Po Messerli | 6-3 6-3 |