Head to head
1
Hard
2
0
Carpet
1
Grant Stafford's wins on the left · Tommy Haas's on the right · bar lengths share one scale
All meetings (4)
| 1998 | Davis Cup WG R1: GER vs RSA | Carpet | RR | Tommy Haas | 6-1 7-6(4) |
| 1998 | Memphis | Hard | R32 | Grant Stafford | 6-1 6-3 |
| 1998 | San Jose | Hard | R16 | Tommy Haas | 6-2 6-3 |
| 1997 | Cincinnati Masters | Hard | R64 | Tommy Haas | 6-4 4-6 6-4 |
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.