Hyun Woo Nam defeated Ki Su Jung 6-3 6-2 in the Korea F3 q64 on hard. The upset overturned the form book — Ki Su Jung came in leading the head-to-head 1–0. Hyun Woo Nam claimed a first win over Ki Su Jung in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-04-29 | Korea F1 | R32 | hard | Ki Su Jung | 6-4 1-0 |
Averages over each player's completed matches in the selected window (13 vs 4). 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