Mai Minokoshi defeated Miharu Imanishi 1-6 6-4 6-4 in the W25 Hong Kong round of 16 on hard. The upset overturned the form book — Miharu Imanishi came in leading the head-to-head 2–1. Mai Minokoshi narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-07-29 | Vancouver 100K | QF | hard | Miharu Imanishi | 6-2 7-6(1) |
| 2012-06-11 | Tokyo 10K | R16 | hard | Miharu Imanishi | 6-2 7-5 |
| 2010-09-20 | Makinohara 25K | R32 | carpet | Mai Minokoshi | 6-2 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.