Yurina Koshino defeated Maya Kato 6-2 7-5 in the Mie 10K round of 16 on grass. Yurina Koshino extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-04-19 | Mie 10K | R16 | carpet | Yurina Koshino | 6-2 6-1 |
| 2007-09-24 | Hiroshima 10K | R16 | carpet | Maya Kato | 6-3 3-6 7-5 |