Sang Woo Noh defeated Seong Chan Hong 1-6 6-1 6-1 in the Korea F2 semi-final on hard. The upset overturned the form book — Seong Chan Hong came in leading the head-to-head 1–0. Sang Woo Noh claimed a first win over Seong Chan Hong in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2017-05-29 | Korea F1 | QF | hard | Seong Chan Hong | 6-4 6-2 |
Averages over each player's completed matches in the selected window (21 vs 200). ATP, WTA & Challenger.
Chan Hong S.: 3 days rest · 2 matches, 45 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