Katsuki Nagao advanced when Keisuke Watanuki retired 4-0 in the Japan F8 qualifying round. Katsuki Nagao extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2014-09-29 | Turkey F34 | Q32 | hard | Katsuki Nagao | 6-3 5-7 7-6(1) |
Averages over each player's completed matches in the selected window (17 vs 11). ATP, WTA & Challenger.
wins 52% of points on serve vs Watanuki K.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About