Head to head
0
Hard
1
1
Clay
0
Billy Martin's wins on the left · Anand Amritraj's on the right · bar lengths share one scale
All meetings (2)
| 1979 | Stowe | Hard | R16 | Anand Amritraj | 6-3 6-1 |
| 1976 | Indianapolis-2 | Clay | R64 | Billy Martin | 6-2 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.