Head to head
2
Hard
0
Nicolas Kiefer's wins on the left · Cecil Mamiit's on the right · bar lengths share one scale
All meetings (2)
| 1999 | Tashkent | Hard | QF | Nicolas Kiefer | 6-1 7-5 |
| 1999 | Australian Open | Hard | R64 | Nicolas Kiefer | 6-2 7-5 7-6(7) |
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.