Gilles Simon defeated Sergiy Stakhovsky 6-3 6-3 in the Valencia round of 32 on hard. The result followed the form book — Gilles Simon came in leading the head-to-head 4–0, defending last year's quarter-final. Gilles Simon extended the head-to-head to 5–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2019-05-27 | Roland Garros | R128 | clay | Gilles Simon | 6-3 6-3 6-4 |
| 2018-10-15 | Antwerp | R32 | hard | Gilles Simon | 6-0 6-4 |
| 2015-02-16 | Marseille | SF | hard | Gilles Simon | 3-6 6-3 6-2 |
| 2011-07-18 | Hamburg | R32 | clay | Gilles Simon | 6-2 6-1 |
Averages from each player's recent completed matches (20 vs 20). ATP, WTA & Challenger.