Hyeon Chung defeated Jason Jung 6-2 7-6 in the Seoul CH round of 32 on hard. The result followed the form book — Hyeon Chung came in ranked #583, leading the head-to-head 1–0. Hyeon Chung extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2012-12-17 | Hong Kong F3 | R16 | hard | Hyeon Chung | 6-2 5-7 6-4 |
Averages over each player's completed matches in the selected window (199 vs 200). 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