Marius Copil defeated Gilles Simon 7-5 6-3 in the Brisbane round of 16 on hard. The upset overturned the form book — Gilles Simon came in leading the head-to-head 2–0, defending last year's semi-final. Marius Copil claimed a first win over Gilles Simon in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2019-09-16 | Metz | R32 | hard | Gilles Simon | 6-3 6-4 |
| 2018-01-15 | Australian Open | R128 | hard | Gilles Simon | 7-5 6-4 6-3 |
Averages from each player's recent completed matches (20 vs 20). ATP, WTA & Challenger.