Gilles Simon defeated Leonardo Mayer 6-7 6-4 6-2 in the Shanghai Masters round of 32 on hard. The result followed the form book — Gilles Simon came in leading the head-to-head 2–1, defending last year's final. Gilles Simon extended the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2018-10-22 | Basel | R32 | hard | Gilles Simon | 6-3 6-3 |
| 2018-06-25 | Eastbourne | R32 | grass | Leonardo Mayer | 6-4 7-6(4) |
| 2015-10-19 | Stockholm | R16 | hard | Gilles Simon | 6-2 6-4 |
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 200). ATP, WTA & Challenger.