Head to head
0
Hard
1
2
Clay
0
1
Grass
0
Karen Khachanov's wins on the left · Gilles Simon's on the right · bar lengths share one scale
All meetings (4)
| 2022 | Lyon | Clay | R32 | Karen Khachanov | 6-1 6-4 |
| 2018 | Monte Carlo Masters | Clay | R32 | Karen Khachanov | 6-2 6-2 |
| 2017 | Halle | Grass | R32 | Karen Khachanov | 6-2 6-7(2) 6-3 |
| 2017 | Marseille | Hard | R32 | Gilles Simon | 4-6 7-5 6-3 |
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.