Head to head
1
Hard
2
2
Clay
0
Albert Costa's wins on the left · Nicolas Kiefer's on the right · bar lengths share one scale
All meetings (5)
| 2003 | Hamburg Masters | Clay | R64 | Albert Costa | 6-4 6-4 |
| 2002 | World Team Cup | Clay | RR | Albert Costa | 6-2 6-2 |
| 2001 | Stuttgart Masters | Hard | R64 | Albert Costa | 3-6 6-0 7-6(6) |
| 2000 | Dubai | Hard | SF | Nicolas Kiefer | 6-2 6-0 |
| 1999 | Dubai | Hard | R16 | Nicolas Kiefer | 6-3 7-6(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.