Naoko Sawamatsu defeated Amanda Coetzer 3-6 6-3 6-2 in the Wimbledon round of 64 on grass. The upset overturned the form book — Amanda Coetzer came in leading the head-to-head 1–0, defending last year's round of 64. Naoko Sawamatsu claimed a first win over Amanda Coetzer in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1997-05-19 | Strasbourg | R32 | clay | Amanda Coetzer | 6-1 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.