Head to head
1
Hard
1
1
Clay
0
1
Grass
1
Guillermo Garcia-Lopez's wins on the left · Gilles Muller's on the right · bar lengths share one scale
All meetings (5)
| 2017 | Roland Garros | Clay | R128 | Guillermo Garcia-Lopez | 7-6(4) 6-7(2) 6-2 6-2 |
| 2016 | 's-Hertogenbosch | Grass | R16 | Gilles Muller | 7-5 6-1 |
| 2016 | Sofia | Hard | QF | Gilles Muller | 7-6(6) 6-4 |
| 2009 | Queen's Club | Grass | R32 | Guillermo Garcia-Lopez | 7-6(3) 6-3 |
| 2009 | Delray Beach | Hard | R16 | Guillermo Garcia-Lopez | 5-7 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.