Gilles Simon defeated Paul Henri Mathieu 3-6 6-2 6-1 in the Estoril round of 16 on clay. The upset overturned the form book — Paul Henri Mathieu came in leading the head-to-head 3–1. Gilles Simon narrowed the head-to-head to 3–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2012-06-25 | Wimbledon | R128 | grass | Gilles Simon | 6-3 5-4 RET |
| 2008-02-11 | Marseille | QF | hard | Paul Henri Mathieu | 6-3 6-4 |
| 2007-08-19 | New Haven | QF | hard | Paul Henri Mathieu | 6-4 6-3 |
| 2007-05-28 | Roland Garros | R64 | clay | Paul Henri Mathieu | 3-6 6-4 6-1 7-6(2) |
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Averages over each player's completed matches in the selected window (200 vs 87). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About