
Gael Monfils defeated Gilles Simon 4-6 7-6 6-4 in the Montpellier semi-final on hard. The upset overturned the form book — Gilles Simon came in leading the head-to-head 7–2. Gael Monfils narrowed the head-to-head to 7–3.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2020-02-10 | Rotterdam | R16 | hard | Gael Monfils | 6-4 6-1 |
| 2017-05-08 | Madrid Masters | R64 | clay | Gilles Simon | 0-6 6-0 7-6(0) |
| 2016-10-03 | Tokyo | R16 | hard | Gael Monfils | 6-1 6-4 |
| 2015-06-29 | Wimbledon | R32 | grass | Gilles Simon | 3-6 6-3 7-6(6) 2-6 6-2 |
| 2015-02-16 | Marseille | F | hard | Gilles Simon | 6-4 1-6 7-6(4) |
| 2013-01-14 | Australian Open | R32 | hard | Gilles Simon | 6-4 6-4 4-6 1-6 8-6 |
| 2012-09-24 | Bangkok | QF | hard | Gilles Simon | 6-4 6-1 |
| 2011-07-18 | Hamburg | QF | clay | Gilles Simon | 6-4 3-6 6-0 |
| 2009-01-19 | Australian Open | R16 | hard | Gilles Simon | 6-4 2-6 6-1 RET |
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Per-surface Serve / Return Rating (0–100, percentile within the hard field, opponent-adjusted over 52 weeks). About
Averages over each player's completed matches in the selected window (199 vs 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About