Pierre Hugues Herbert defeated Gilles Simon 7-5 6-3 in the Estoril round of 32 on clay. Pierre Hugues Herbert extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2018-03-05 | Indian Wells Masters | R128 | hard | Pierre Hugues Herbert | 6-7(8) 7-6(5) 6-3 |
| 2015-02-16 | Marseille | R32 | hard | Gilles Simon | 7-5 2-0 RET |
Averages from each player's recent completed matches (20 vs 20). ATP, WTA & Challenger.