
Marius Copil defeated Marin Cilic 3-6 7-6 6-4 in the Beijing round of 32 on hard. The upset overturned the form book — Marin Cilic came in leading the head-to-head 3–1, defending last year's final. Marius Copil narrowed the head-to-head to 3–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2019-07-29 | Washington | R32 | hard | Marin Cilic | 7-6(4) 7-6(4) |
| 2018-10-22 | Basel | R16 | hard | Marius Copil | 7-5 7-6(2) |
| 2018-08-27 | US Open | R128 | hard | Marin Cilic | 7-5 6-1 1-1 RET |
| 2018-08-13 | Cincinnati Masters | R32 | hard | Marin Cilic | 6-7(4) 6-4 6-4 |
Averages from each player's recent completed matches (20 vs 19). ATP, WTA & Challenger.