Young Seok Kim defeated Tsung Hua Yang 3-6 6-2 7-6 in the China F4 round of 32 on hard. The upset overturned the form book — Tsung Hua Yang came in leading the head-to-head 2–0, but Young Seok Kim had been the form player, winning 3 of their last 6 on hard. Young Seok Kim claimed a first win over Tsung Hua Yang in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2015-07-20 | China F11 | QF | hard | Tsung Hua Yang | 6-1 6-2 |
| 2015-04-06 | China F2 | F | clay | Tsung Hua Yang | 6-0 7-5 |
Averages over each player's completed matches in the selected window (87 vs 200). 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