Katsuki Nagao advanced when Bumpei Sato retired 6-2 in the Japan F4 round of 32. Katsuki Nagao extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2014-06-23 | Japan F8 | R32 | clay | Katsuki Nagao | 7-5 6-4 |
Averages over each player's completed matches in the selected window (17 vs 2). ATP, WTA & Challenger.
wins 59% of points on serve vs Sato B.
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