Head to head
1
Clay
0
1
Grass
0
Nicolas Kiefer's wins on the left · Richey Reneberg's on the right · bar lengths share one scale
All meetings (2)
| 1999 | Halle | Grass | R16 | Nicolas Kiefer | 6-1 6-4 |
| 1997 | Gstaad | Clay | R16 | Nicolas Kiefer | 7-5 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.