Head to head
0
Hard
1
1
Clay
1
1
Grass
1
Nikoloz Basilashvili's wins on the left · Gilles Simon's on the right · bar lengths share one scale
All meetings (5)
| 2021 | Halle | Grass | R32 | Nikoloz Basilashvili | 6-1 3-6 6-4 |
| 2018 | Wimbledon | Grass | R128 | Gilles Simon | 6-1 7-6(5) 6-1 |
| 2018 | Roland Garros | Clay | R128 | Gilles Simon | 6-4 6-0 6-7(4) 6-4 |
| 2017 | Roland Garros | Clay | R128 | Nikoloz Basilashvili | 1-6 6-2 6-4 6-1 |
| 2015 | Shanghai Masters | Hard | R64 | Gilles Simon | 6-3 4-6 6-0 |
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.