Head to head
4
Hard
1
1
Clay
1
0
Carpet
1
Feliciano Lopez's wins on the left · Stefan Koubek's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (8)
| 2010 | Dubai | Hard | R32 | Stefan Koubek | 7-6(4) 6-4 |
| 2007 | Madrid Masters | Hard | R16 | Feliciano Lopez | 7-6(9) 6-1 |
| 2007 | Vienna | Hard | R16 | Feliciano Lopez | 6-4 3-6 6-4 |
| 2007 | Zagreb | Carpet | R32 | Stefan Koubek | 2-6 7-6(2) 6-4 |
| 2004 | Kitzbuhel | Clay | R32 | Feliciano Lopez | 3-6 6-3 6-4 |
| 2004 | Stuttgart | Clay | R32 | Stefan Koubek | 6-3 6-4 |
| 2003 | Vienna | Hard | R16 | Feliciano Lopez | 6-2 6-2 |
| 2002 | Tokyo | Hard | R64 | Feliciano Lopez | 6-4 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.