Seong Chan Hong defeated Jung Woong Na 6-0 6-3 in the M15 Daegu 1 final on hard. 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 |
|---|---|---|---|---|---|
| 2017-06-26 | Korea F5 | R16 | clay | Seong Chan Hong | 6-4 2-6 7-6(6) |
| 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 (131 vs 1). 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. Small sample — read as indicative. About