Chinami Ogi defeated Mana Ayukawa 7-5 6-3 in the Karuizawa 25K round of 32 on carpet. The result followed the form book — Chinami Ogi came in leading the head-to-head 2–0. Chinami Ogi extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2012-05-14 | Kurume 50K | Q32 | grass | Chinami Ogi | 6-3 6-3 |
| 2012-03-12 | Miyazaki 10K | QF | grass | Chinami Ogi | 7-5 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.