By surface
| Surface | Nicolas Kiefer | Cecil Mamiit |
|---|---|---|
| Hard | 2 | 0 |
All meetings (2)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1999-09-13 | ATP | Tashkent | Quarterfinal | Hard | Nicolas Kiefer | 6-1 | 7-5 | |||
| 1999-01-18 | ATP | Australian Open | Round of 64 | Hard | Nicolas Kiefer | 6-2 | 7-5 | 7-67 |