Seong Woon Yu advanced when Sung Jun Park retired 6-3 in the Korea F5 qualifying round of 64. Seong Woon Yu extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2016-08-22 | Korea F6 | Q64 | clay | Seong Woon Yu | 4-6 6-2 6-3 |
| 2014-08-18 | Korea F11 | Q64 | clay | Sung Jun Park | 7-6(4) 4-6 6-3 |
Averages over each player's completed matches in the selected window (3 vs 16). ATP, WTA & Challenger.
wins 56% of points on serve vs Jun Park S.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About