Mayumi Yamamoto defeated Ayaka Maekawa 6-1 6-3 in the Kyoto 10K semi-final on carpet. Mayumi Yamamoto extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2007-10-29 | Kofu 10K | F | hard | Ayaka Maekawa | 6-4 7-6(6) |
| 2005-05-23 | Nagano 25K | SF | carpet | Mayumi Yamamoto | 0-6 6-4 6-4 |