Head to head
1
Clay
0
0
Grass
1
2
Carpet
1
Allan Stone's wins on the left · Charlie Pasarell's on the right · bar lengths share one scale
All meetings (5)
| 1972 | Vancouver WCT | Carpet | R32 | Allan Stone | 4-6 6-2 7-6 |
| 1972 | Toronto WCT | Carpet | R32 | Charlie Pasarell | 6-2 6-3 |
| 1971 | Vancouver WCT | Carpet | R32 | Allan Stone | 6-3 7-6 |
| 1970 | Indianapolis | Clay | R32 | Allan Stone | 6-2 6-4 |
| 1969 | South Orange | Grass | R16 | Charlie Pasarell | 8-6 12-10 |
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.