Head to head
0
Hard
1
3
Grass
0
Byron Black's wins on the left · Jan-Michael Gambill's on the right · bar lengths share one scale
All meetings (4)
| 2000 | Nottingham | Grass | SF | Byron Black | 7-6(5) 6-1 |
| 1998 | Wimbledon | Grass | R64 | Byron Black | 7-5 6-4 7-5 |
| 1998 | Queen's Club | Grass | R32 | Byron Black | 5-7 6-4 6-4 |
| 1998 | Memphis | Hard | R32 | Jan-Michael Gambill | 5-7 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.