Ayaka Maekawa defeated Mitsumi Kawasaki 6-4 7-5 in the Tokyo 10K round of 32 on carpet. The upset overturned the form book — Mitsumi Kawasaki came in leading the head-to-head 1–0. Ayaka Maekawa claimed a first win over Mitsumi Kawasaki in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-08-14 | Tokyo 2 10K | R32 | hard | Mitsumi Kawasaki | 4-6 6-2 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.