Head to head
0
Hard
3
1
Grass
0
Leonardo Mayer's wins on the left · Gilles Simon's on the right · bar lengths share one scale
All meetings (4)
| 2018 | Basel | Hard | R32 | Gilles Simon | 6-3 6-3 |
| 2018 | Eastbourne | Grass | R32 | Leonardo Mayer | 6-4 7-6(4) |
| 2015 | Stockholm | Hard | R16 | Gilles Simon | 6-2 6-4 |
| 2015 | Shanghai Masters | Hard | R32 | Gilles Simon | 6-7(0) 6-4 6-2 |
Methodology
Head-to-head totals and surface splits exclude walkovers (no match was played), which follows ATP convention — walkover meetings still appear in the match list. The momentum chart plots the running lead across all counted meetings, oldest to newest.