Shiho Akita defeated Ayaka Maekawa 4-6 6-2 6-0 in the Obihiro 25K round of 32 on carpet. The upset overturned the form book — Ayaka Maekawa came in leading the head-to-head 1–0. Shiho Akita claimed a first win over Ayaka Maekawa in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-02-16 | Guangzhou 10K | R32 | hard | Ayaka Maekawa | 5-7 6-2 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.