Min Kyu Song defeated Young Seok Kim 5-7 6-1 6-2 in the Korea F8 quarter-final on clay. The upset overturned the form book — Young Seok Kim came in leading the head-to-head 2–0. Min Kyu Song claimed a first win over Young Seok Kim in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2017-06-26 | Korea F5 | R16 | clay | Young Seok Kim | 6-3 6-2 |
| 2016-08-22 | Korea F6 | QF | clay | Young Seok Kim | 4-6 6-1 7-5 |
Averages over each player's completed matches in the selected window (49 vs 81). 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