Head to head
0
Hard
1
1
Carpet
0
Billy Martin's wins on the left · Butch Walts's on the right · bar lengths share one scale
All meetings (2)
| 1979 | Tulsa | Hard | QF | Butch Walts | 4-6 6-3 6-3 |
| 1976 | Hampton | Carpet | R16 | Billy Martin | 7-5 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.