Liang Chi Huang defeated Woong Sun Jun 7-5 6-3 in the Korea F2 qualifying round on hard. The upset overturned the form book — Woong Sun Jun came in leading the head-to-head 1–0, but Liang Chi Huang had been the form player, winning 2 of their last 6 on hard. Liang Chi Huang claimed a first win over Woong Sun Jun in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2012-10-08 | Japan F8 | R32 | hard | Woong Sun Jun | 7-6(1) 6-3 |
Averages over each player's completed matches in the selected window (70 vs 6). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About