Jan Lennard Struff defeated Yuichi Sugita 6-3 6-2 in the Monte Carlo Masters round of 64 on clay. The upset overturned the form book — Yuichi Sugita came in leading the head-to-head 2–0. Jan Lennard Struff claimed a first win over Yuichi Sugita in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2018-02-26 | Dubai | R16 | hard | Yuichi Sugita | 7-6(4) 6-4 |
| 2015-10-26 | Valencia | Q2 | hard | Yuichi Sugita | 2-6 6-3 6-4 |
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Averages over each player's completed matches in the selected window (200 vs 181). ATP, WTA & Challenger.