Head to head
0
Hard
2
1
Clay
3
Stefan Koubek's wins on the left · Albert Costa's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (6)
| 2005 | Valencia | Clay | R16 | Albert Costa | 6-4 6-2 |
| 2002 | Hamburg Masters | Clay | R32 | Stefan Koubek | 7-5 7-6(5) |
| 2000 | Gstaad | Clay | R32 | Albert Costa | 4-6 6-3 6-3 |
| 2000 | Indian Wells Masters | Hard | R64 | Albert Costa | 3-6 7-5 6-3 |
| 2000 | Dubai | Hard | R16 | Albert Costa | 6-0 6-1 |
| 1999 | Gstaad | Clay | R16 | Albert Costa | 6-7(3) 6-1 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.