Head to head
1
Hard
2
0
Clay
1
1
Grass
0
Kevin Anderson's wins on the left · Gilles Muller's on the right · bar lengths share one scale
All meetings (5)
| 2017 | Estoril | Clay | SF | Gilles Muller | 7-5 6-4 |
| 2015 | Tokyo | Hard | R32 | Gilles Muller | 6-2 6-3 |
| 2011 | Paris Masters | Hard | R64 | Kevin Anderson | 6-3 4-6 6-4 |
| 2011 | Atlanta | Hard | QF | Gilles Muller | 7-6(3) 7-6(3) |
| 2008 | Newport | Grass | R32 | Kevin Anderson | 6-7(3) 6-3 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.