Katsuki Nagao advanced past Shu Saito via walkover in the Guam F1 round of 16. Katsuki Nagao extended the head-to-head to 4–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2014-06-23 | Japan F8 | R16 | clay | Katsuki Nagao | 6-3 7-6(0) |
| 2014-06-16 | Japan F7 | R32 | carpet | Katsuki Nagao | 6-3 6-1 |
| 2014-03-17 | Japan F2 | Q16 | hard | Katsuki Nagao | 6-4 6-0 |
Averages over each player's completed matches in the selected window (17 vs 1). ATP, WTA & Challenger.
wins 59% of points on serve vs Saito S.
wins 59% of points on serve vs Nagao K.
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