Sang Woo Noh defeated Soong Jae Cho 6-1 7-5 in the Korea F12 round of 16 on clay. The upset overturned the form book — Soong Jae Cho came in leading the head-to-head 2–1. Sang Woo Noh narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2016-09-05 | Korea F8 | R32 | clay | Sang Woo Noh | 6-2 7-6(4) |
| 2010-06-07 | China F6 | R32 | hard | Soong Jae Cho | 6-2 6-4 |
| 2008-05-12 | Korea Rep F3 | R32 | hard | Soong Jae Cho | 6-2 7-6(4) |
Averages over each player's completed matches in the selected window (22 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