Head to head
2
Hard
0
0
Carpet
1
Allan Stone's wins on the left · Robert Maud's on the right · bar lengths share one scale
All meetings (3)
| 1975 | Carlsbad WCT | Hard | R32 | Allan Stone | 6-2 6-4 |
| 1974 | Philadelphia WCT | Carpet | R64 | Robert Maud | 6-3 6-3 |
| 1971 | Boston WCT | Hard | R32 | Allan Stone | 6-1 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.