Head to head
1
Hard
0
1
Clay
0
0
Grass
2
0
Carpet
1
Nicolas Kiefer's wins on the left · Richard Krajicek's on the right · bar lengths share one scale
All meetings (5)
| 2000 | Halle | Grass | QF | Richard Krajicek | 7-5 5-7 7-6(3) |
| 1999 | Vienna | Hard | SF | Nicolas Kiefer | 7-6(9) 6-4 |
| 1999 | Rome Masters | Clay | R32 | Nicolas Kiefer | 6-3 6-2 |
| 1999 | London | Carpet | R16 | Richard Krajicek | 6-3 6-4 |
| 1998 | Wimbledon | Grass | R32 | Richard Krajicek | 6-4 7-6(2) 7-6(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.