Soong Jae Cho defeated Sang Woo Noh 6-2 7-6 in the Korea Rep F3 round of 32 on hard. The upset overturned the form book — Sang Woo Noh came in leading the head-to-head 2–1. Soong Jae Cho 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) |
| 2014-08-25 | Korea F12 | R16 | clay | Sang Woo Noh | 6-1 7-5 |
| 2010-06-07 | China F6 | R32 | hard | Soong Jae Cho | 6-2 6-4 |
Averages over each player's completed matches in the selected window (1 vs 22). 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