Head to head
1
Hard
1
1
Clay
0
Guillermo Garcia-Lopez's wins on the left · Donald Young's on the right · bar lengths share one scale
All meetings (3)
| 2014 | Winston-Salem | Hard | R16 | Guillermo Garcia-Lopez | 6-7(4) 6-3 7-6(6) |
| 2014 | Roland Garros | Clay | R32 | Guillermo Garcia-Lopez | 6-2 6-4 2-6 6-7(4) 6-4 |
| 2011 | Bangkok | Hard | R16 | Donald Young | 6-1 6-7(0) 7-5 |
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.