Sung Hee Han defeated Mi Rae Ham 6-3 2-6 6-1 in the Gimcheon 25K round of 32 on hard. The upset overturned the form book — Mi Rae Ham came in leading the head-to-head 1–0. Sung Hee Han claimed a first win over Mi Rae Ham in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-09-09 | Incheon 25K | Q16 | hard | Mi Rae Ham | 6-3 0-6 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.