Tomoko Dokei defeated Akiko Yonemura 6-2 2-6 6-4 in the Sutama 25K round of 16 on clay. The upset overturned the form book — Akiko Yonemura came in leading the head-to-head 3–0. Tomoko Dokei claimed a first win over Akiko Yonemura in four meetings, narrowing the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2007-05-28 | Gunma 25K | QF | carpet | Akiko Yonemura | 6-1 7-5 |
| 2006-07-31 | Tokachi 250K | R32 | carpet | Akiko Yonemura | 6-0 |
| 2006-07-10 | Miyazaki 25K | R32 | carpet | Akiko Yonemura | 7-5 4-6 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.