Jan Lennard Struff defeated Marius Copil 6-4 6-4 in the Madrid Masters round of 64 on clay. The upset overturned the form book — Marius Copil came in leading the head-to-head 2–1, defending last year's round of 32, but Jan Lennard Struff had been the form player, winning 1 of their last 5 on clay. Jan Lennard Struff narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2017-10-16 | Stockholm | R32 | hard | Jan Lennard Struff | 6-7(2) 6-4 7-6(12) |
| 2017-02-27 | Dubai | R32 | hard | Marius Copil | 6-4 6-2 |
| 2017-02-13 | Rotterdam | Q2 | hard | Marius Copil | 6-3 6-4 |
Averages from each player's recent completed matches (20 vs 20). ATP, WTA & Challenger.