Kerry Anne Guse defeated Kimberly Po Messerli 3-6 7-5 6-2 in the Wimbledon round of 128 on grass. The upset overturned the form book — Kimberly Po Messerli came in leading the head-to-head 1–0. Kerry Anne Guse claimed a first win over Kimberly Po Messerli in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-08-31 | US Open | R128 | hard | Kimberly Po Messerli | 6-4 6-1 |