Gengo Kikuchi defeated Kento Takeuchi 6-2 7-5 in the M15 Guam 1 semi-final on hard. The upset overturned the form book — Kento Takeuchi came in leading the head-to-head 2–0. Gengo Kikuchi claimed a first win over Kento Takeuchi in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2015-04-20 | Thailand F1 | R32 | hard | Kento Takeuchi | 6-2 6-4 |
| 2014-03-10 | Japan F1 | QF | hard | Kento Takeuchi | 6-2 7-6(3) |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.