Gengo Kikuchi defeated Jumpei Yamasaki 6-4 6-2 in the Japan F1 round of 32 on hard. Gengo Kikuchi extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2019-03-08 | M15 Nishi-Tama 1 | R16 | hard | Jumpei Yamasaki | 7-6(5) 4-6 6-3 |
| 2016-07-25 | Vietnam F1 | R16 | hard | Gengo Kikuchi | 2-6 7-6(3) 6-3 |
Averages over each player's completed matches in the selected window (20 vs 200). 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. About