Tomoko Yonemura advanced when Kaori Aoyama retired 6-0 3-0 in the Changwon 25K round of 16. Tomoko Yonemura claimed a first win over Kaori Aoyama in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2001-06-18 | Montreal 10K | R32 | hard | Kaori Aoyama | 6-3 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.