Chu Huan Yi defeated Jung Woong Na 7-6 3-6 6-4 in the Korea F2 round of 32 on hard. Chu Huan Yi extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2012-10-15 | Japan F9 | R32 | hard | Jung Woong Na | 6-1 6-1 |
| 2011-05-30 | Korea F3 | R32 | hard | Chu Huan Yi | 6-4 6-3 |
Averages over each player's completed matches in the selected window (19 vs 62). 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