Shunrou Takeshima defeated Gengo Kikuchi 7-5 6-4 in the Japan F5 round of 32 on clay. The upset overturned the form book — Gengo Kikuchi came in leading the head-to-head 5–0. Shunrou Takeshima claimed a first win over Gengo Kikuchi in six meetings, narrowing the head-to-head to 5–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2017-04-03 | Japan F5 | R32 | hard | Gengo Kikuchi | 6-0 6-4 |
| 2016-05-23 | Guam F1 | R16 | hard | Gengo Kikuchi | 6-1 6-1 |
| 2014-06-16 | Japan F7 | R16 | carpet | Gengo Kikuchi | 6-2 6-3 |
| 2012-10-15 | Japan F9 | R32 | hard | Gengo Kikuchi | 7-5 6-4 |
| 2012-06-25 | Japan F7 | QF | clay | Gengo Kikuchi | 6-3 6-3 |
Averages over each player's completed matches in the selected window (6 vs 8). 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