Tae Woo Lee defeated Yunseong Chung 7-5 7-6 in the Korea F5 round of 16 on clay. The upset overturned the form book — Yunseong Chung came in leading the head-to-head 1–0. Tae Woo Lee claimed a first win over Yunseong Chung in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2017-06-05 | Korea F2 | R32 | hard | Yunseong Chung | 6-2 6-7(5) 6-1 |
Averages over each player's completed matches in the selected window (33 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