Jae Min Seol defeated Hyun Woo Nam 6-2 6-2 in the India F10 round of 16 on hard. The upset overturned the form book — Hyun Woo Nam came in leading the head-to-head 2–1. Jae Min Seol narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2017-04-24 | Kazakhstan F5 | R32 | clay | Jae Min Seol | 6-2 6-4 |
| 2013-03-25 | Japan F3 | QF | hard | Hyun Woo Nam | 6-3 6-1 |
| 2012-06-18 | Japan F6 | R32 | grass | Hyun Woo Nam | 6-2 6-1 |
Averages over each player's completed matches in the selected window (9 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