Kimberly Po Messerli defeated Sandra Cacic 6-3 6-3 in the Oklahoma quarter-final 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 |
|---|---|---|---|---|---|
| 1993-08-30 | US Open | R64 | hard | Kimberly Po Messerli | 6-3 6-2 |