Head to head
1
Grass
0
1
Carpet
0
Butch Walts's wins on the left · Richard Lewis's on the right · bar lengths share one scale
All meetings (2)
| 1979 | Bologna | Carpet | R16 | Butch Walts | 6-1 6-3 |
| 1977 | Sydney-2 | Grass | R16 | Butch Walts | 6-4 6-2 |
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.