Head to head
1
Hard
0
0
Clay
1
1
Carpet
0
Byron Black's wins on the left · Karim Alami's on the right · bar lengths share one scale
All meetings (3)
| 2000 | Scottsdale | Hard | R32 | Byron Black | 6-2 6-3 |
| 1999 | London | Carpet | R32 | Byron Black | 6-1 1-6 7-6(4) |
| 1990 | Davis Cup G2 F: MAR vs ZIM | Clay | RR | Karim Alami | 7-6(1) 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.