Mi Rae Ham defeated Hyun Hui Hong 6-2 6-2 in the Pingguo 25K round of 16 on hard. The upset overturned the form book — Hyun Hui Hong came in leading the head-to-head 3–0, but Mi Rae Ham had been the form player, winning 5 of their last 9 on hard. Mi Rae Ham claimed a first win over Hyun Hui Hong in four meetings, narrowing the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2012-08-27 | Yeong Wol 10K | R16 | hard | Hyun Hui Hong | 7-5 6-3 |
| 2010-10-18 | Yeong Wol 10K | R32 | hard | Hyun Hui Hong | 6-3 6-4 |
| 2010-05-17 | Sunchang 10K | R32 | hard | Hyun Hui Hong | 6-1 6-0 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.