Head to head
1
Hard
0
1
Grass
0
2
Carpet
0
Allan Stone's wins on the left · Frew McMillan's on the right · bar lengths share one scale
All meetings (4)
| 1977 | Carlsbad | Hard | R32 | Allan Stone | 6-3 3-6 6-3 |
| 1975 | Baltimore | Carpet | R16 | Allan Stone | 6-3 6-4 |
| 1973 | St. Louis WCT | Carpet | R32 | Allan Stone | 6-1 6-1 |
| 1971 | Auckland | Grass | R16 | Allan Stone | 6-3 7-5 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.