Ku Keon Kang advanced when Hyun Woo Nam retired 7-5 3-1 in the Korea F5 qualifying round of 32. Ku Keon Kang claimed a first win over Hyun Woo Nam in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2016-06-27 | Korea F3 | R16 | hard | Hyun Woo Nam | 6-3 6-1 |
| 2016-06-27 | Korea F3 | Q16 | hard | Hyun Woo Nam | 6-7(5) 6-4 6-4 |
Averages over each player's completed matches in the selected window (23 vs 13). 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