Head to head
0
Hard
1
1
Carpet
0
Allan Stone's wins on the left · Jaime Fillol Sr.'s on the right · bar lengths share one scale
All meetings (2)
| 1974 | San Francisco | Carpet | R32 | Allan Stone | 6-2 6-4 |
| 1973 | Johannesburg WCT | Hard | R32 | Jaime Fillol Sr. | 6-7(5) 6-1 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.