Min Hyoek Cho defeated Yusuke Watanuki 6-4 5-7 6-3 in the Korea F5 qualifying round on hard. The upset overturned the form book — Yusuke Watanuki came in leading the head-to-head 1–0, but Min Hyoek Cho had been the form player, winning 2 of their last 4 on hard. Min Hyoek Cho claimed a first win over Yusuke Watanuki in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2015-08-17 | Korea F4 | SF | hard | Yusuke Watanuki | 6-3 7-5 |
Averages over each player's completed matches in the selected window (17 vs 47). 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