Hiroki Moriya defeated Yannick Mertens 6-4 3-6 7-6 in the Glasgow CH round of 32 on hard. The upset overturned the form book — Yannick Mertens came in leading the head-to-head 1–0, but Hiroki Moriya had been the form player, winning 2 of their last 8 on hard. Hiroki Moriya claimed a first win over Yannick Mertens in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2018-01-15 | Egypt F1 | SF | hard | Yannick Mertens | 6-4 5-7 6-3 |
Averages over each player's completed matches in the selected window (199 vs 157). 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