Head to head
1
Hard
0
1
Carpet
0
Butch Walts's wins on the left · Tony Graham's on the right · bar lengths share one scale
All meetings (2)
| 1979 | Taipei | Carpet | R32 | Butch Walts | 7-6 6-4 |
| 1978 | Hong Kong | Hard | R32 | Butch Walts | 6-1 7-5 |
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.