Seong Chan Hong defeated Jung Woong Na 6-4 2-6 7-6 in the Korea F5 round of 16 on clay. The result followed the form book — Seong Chan Hong came in leading the head-to-head 2–1. Seong Chan Hong extended the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2019-06-09 | M15 Daegu 1 | F | hard | Seong Chan Hong | 6-0 6-3 |
| 2015-08-24 | Korea F5 | R16 | hard | Seong Chan Hong | 7-6(9) 1-6 6-4 |
| 2015-08-10 | Korea F3 | SF | hard | Jung Woong Na | 6-4 6-2 |
Averages over each player's completed matches in the selected window (200 vs 44). ATP, WTA & Challenger.
Chan Hong S.: 7 days rest · 1 match, 18 games (7d). Higher means fresher. About
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About