Mi Yoo defeated Chiaki Okadaue 6-2 6-1 in the Goyang 25K round of 32 on hard. Mi Yoo extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2007-07-09 | Miyazaki 25K | R16 | carpet | Chiaki Okadaue | 6-2 6-7(4) 6-4 |
| 2006-07-10 | Miyazaki 25K | R16 | carpet | Mi Yoo | 7-6(4) 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.