Head to head
0
Hard
2
1
Clay
0
Mackenzie McDonald's wins on the left · Gilles Simon's on the right · bar lengths share one scale
All meetings (3)
| 2021 | Moscow | Hard | R16 | Gilles Simon | 6-3 6-2 |
| 2019 | Barcelona | Clay | R32 | Mackenzie McDonald | 6-3 6-2 |
| 2018 | Antwerp | Hard | R16 | Gilles Simon | 6-1 6-1 |
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.