Head to head
1
Hard
0
0
Carpet
1
Jaime Fillol Sr.'s wins on the left · Allan Stone'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.