Head to head
1
Hard
0
1
Grass
0
Butch Walts's wins on the left · Russell Simpson's on the right · bar lengths share one scale
All meetings (2)
| 1980 | Atlanta | Hard | R16 | Butch Walts | 6-7 7-5 6-2 |
| 1980 | Newport | Grass | R16 | Butch Walts | 7-6 7-6 |
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.