Hae Sung Kim defeated Chen Liang 6-4 6-2 in the Changwon 25K q16 on hard. The upset overturned the form book — Chen Liang came in leading the head-to-head 1–0, but Hae Sung Kim had been the form player, winning 5 of their last 10 on hard. Hae Sung Kim claimed a first win over Chen Liang in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2012-06-18 | Goyang 25K | R32 | hard | Chen Liang | 6-3 4-6 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.