Sang Woo Noh defeated Ji Sung Nam 7-5 6-4 in the China F8 round of 32 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 |
|---|---|---|---|---|---|
| 2016-06-20 | Korea F2 | F | hard | Sang Woo Noh | 6-4 6-1 |
| 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 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.