Roberto Quiroz defeated Yannick Mertens 6-1 6-2 in the Bastad qualifying round 1 on clay. The result followed the form book — Roberto Quiroz came in leading the head-to-head 2–0. Roberto Quiroz extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2018-06-25 | Eastbourne | Q1 | grass | Roberto Quiroz | 3-6 6-4 6-3 |
| 2018-06-23 | Eastbourne | Q16 | grass | Roberto Quiroz | 3-6 6-4 6-3 |
Averages over each player's completed matches in the selected window (190 vs 142). 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