Head to head
0
Hard
2
0
Clay
1
1
Grass
1
Denis Istomin's wins on the left · Guillermo Garcia-Lopez's on the right · bar lengths share one scale
All meetings (5)
| 2015 | Rotterdam | Hard | R32 | Guillermo Garcia-Lopez | 7-6(5) 6-4 |
| 2014 | Eastbourne | Grass | R16 | Denis Istomin | 6-2 7-5 |
| 2013 | St. Petersburg | Hard | QF | Guillermo Garcia-Lopez | 6-2 6-4 |
| 2011 | Barcelona | Clay | R64 | Guillermo Garcia-Lopez | 7-6(6) 6-3 |
| 2010 | Eastbourne | Grass | SF | Guillermo Garcia-Lopez | 3-6 6-3 6-4 |
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.