Yuka Mori defeated Yumi Nakano 7-5 6-0 in the Niigata 25K q16 on hard. The upset overturned the form book — Yumi Nakano came in leading the head-to-head 1–0. Yuka Mori claimed a first win over Yumi Nakano in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-06-07 | Tokyo 10K | R32 | hard | Yumi Nakano | 7-5 6-3 |