Yunseong Chung defeated Min Kyu Song 6-3 5-7 7-5 in the Korea F1 round of 32 on hard. The upset overturned the form book — Min Kyu Song came in leading the head-to-head 1–0, but Yunseong Chung had been the form player, winning 8 of their last 10 on hard. Yunseong Chung claimed a first win over Min Kyu Song in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-05-20 | Korea F3 | Q16 | hard | Min Kyu Song | 6-4 6-2 |
Averages over each player's completed matches in the selected window (200 vs 50). 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