Oh Hee Kwon defeated Seong Gook Oh 6-3 6-1 in the Korea F8 q16 on hard. The upset overturned the form book — Seong Gook Oh came in leading the head-to-head 1–0, but Oh Hee Kwon had been the form player, winning 3 of their last 4 on hard. Oh Hee Kwon claimed a first win over Seong Gook Oh in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2019-06-27 | M15 Anseong 1 | R16 | clay | Seong Gook Oh | 6-2 6-2 |
Averages over each player's completed matches in the selected window (17 vs 29). 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