Chinami Ogi defeated Remi Tezuka 6-7 6-3 6-2 in the Hamanako 25K round of 32 on carpet. The upset overturned the form book — Remi Tezuka came in leading the head-to-head 2–0. Chinami Ogi claimed a first win over Remi Tezuka in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2012-04-30 | Gifu 50K | Q32 | hard | Remi Tezuka | 6-4 3-6 6-2 |
| 2009-08-24 | Saitama 10K | R32 | hard | Remi Tezuka | 6-0 6-3 |