Cheng Yu Yu defeated Gengo Kikuchi 6-3 6-1 in the Vietnam F3 round of 16 on hard. The upset overturned the form book — Gengo Kikuchi came in leading the head-to-head 1–0. Cheng Yu Yu claimed a first win over Gengo Kikuchi in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2018-03-05 | Japan F1 | R32 | hard | Gengo Kikuchi | 7-5 7-5 |
Averages over each player's completed matches in the selected window (6 vs 15). 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