Yusuke Watanuki defeated Ju Hae Moon 6-2 7-6 in the Japan F7 semi-final on carpet. The result followed the form book — Yusuke Watanuki came in leading the head-to-head 2–0. Yusuke Watanuki extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2015-08-24 | Korea F5 | R16 | hard | Yusuke Watanuki | 6-4 6-4 |
| 2015-08-17 | Korea F4 | R32 | hard | Yusuke Watanuki | 4-6 6-2 6-3 |
Averages over each player's completed matches in the selected window (47 vs 1). 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. Small sample — read as indicative. About