Miki Miyamura defeated Makoto Ninomiya 6-2 7-5 in the Kofu $10K semi-final on hard. The upset overturned the form book — Makoto Ninomiya came in leading the head-to-head 1–0, but Miki Miyamura had been the form player, winning 3 of their last 5 on hard. Miki Miyamura claimed a first win over Makoto Ninomiya in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2012-03-12 | Miyazaki 10K | R16 | grass | Makoto Ninomiya | 6-4 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.