Ai Sugiyama defeated Naoko Kijimuta 6-4 6-7 7-6 in the Indian Wells round of 64 on hard. The upset overturned the form book — Naoko Kijimuta came in leading the head-to-head 1–0, but Ai Sugiyama had been the form player, winning 1 of their last 7 on hard. Ai Sugiyama claimed a first win over Naoko Kijimuta in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1997-05-19 | Strasbourg | R16 | clay | Naoko Kijimuta | 5-7 6-4 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.