Gengo Kikuchi advanced when Ken Onoda retired 7-5 2-0 in the M15 Akishima 1 round of 32. Gengo Kikuchi extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2016-05-23 | Guam F1 | R32 | hard | Gengo Kikuchi | 7-5 6-1 |
| 2015-05-25 | Guam F1 | R16 | hard | Gengo Kikuchi | 6-4 7-6(5) |
Averages over each player's completed matches in the selected window (17 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