Mi Yoo defeated Maya Kato 6-3 6-2 in the Makinohara 25K round of 32 on carpet. Mi Yoo extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-06-29 | Gimcheon 10K | R16 | hard | Mi Yoo | 6-2 6-1 |
| 2009-02-16 | Guangzhou 10K | R32 | hard | Maya Kato | 7-5 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.