Yurina Koshino defeated Kei Sekine 6-3 6-0 in the Hyogo 10K round of 32 on carpet. The result followed the form book — Yurina Koshino came in leading the head-to-head 2–0. Yurina Koshino extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-08-02 | Niigata 10K | QF | carpet | Yurina Koshino | 6-7(6) 6-0 6-1 |
| 2010-05-31 | Komoro 10K | R32 | clay | Yurina Koshino | 6-1 6-0 |