Sang Woo Noh defeated Yusuke Watanuki 6-4 6-2 in the Korea F3 round of 32 on hard. The upset overturned the form book — Yusuke Watanuki came in leading the head-to-head 2–0. Sang Woo Noh claimed a first win over Yusuke Watanuki in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2015-08-17 | Korea F4 | R16 | hard | Yusuke Watanuki | 6-3 6-3 |
| 2014-06-30 | Korea F8 | R32 | hard | Yusuke Watanuki | 7-6(2) 6-0 |
Averages over each player's completed matches in the selected window (21 vs 41). 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