Naoko Sawamatsu defeated Chanda Rubin 6-1 6-4 in the Canadian Open round of 64 on hard. The upset overturned the form book — Chanda Rubin came in leading the head-to-head 1–0, but Naoko Sawamatsu had been the form player, winning 2 of their last 7 on hard. Naoko Sawamatsu claimed a first win over Chanda Rubin in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1997-03-07 | Indian Wells | R32 | hard | Chanda Rubin | 7-5 2-6 7-5 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.