Sang Woo Noh defeated Ji Sung Nam 6-4 6-1 in the Korea F2 final on hard. The upset overturned the form book — Ji Sung Nam 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 |
|---|---|---|---|---|---|
| 2015-05-18 | Korea F1 | R32 | hard | Ji Sung Nam | 6-2 6-4 |
| 2014-06-02 | Korea F4 | R16 | hard | Ji Sung Nam | 6-3 6-3 |
| 2012-05-21 | China F8 | R32 | hard | Sang Woo Noh | 7-5 6-4 |
Averages over each player's completed matches in the selected window (22 vs 163). 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. About