Head to head
0
Hard
1
2
Clay
2
1
Grass
0
2
Carpet
1
Jaime Fillol Sr.'s wins on the left · Brian Gottfried's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (11)
| 1979 | North Conway | Clay | R64 | Brian Gottfried | 7-5 6-1 |
| 1977 | Davis Cup SAM SF: CHI vs URU | RR | Brian Gottfried | 6-4 7-5 6-2 | |
| 1977 | Boston | Clay | R16 | Jaime Fillol Sr. | 7-5 6-3 |
| 1977 | Nottingham | Grass | QF | Jaime Fillol Sr. | 6-2 2-6 6-4 |
| 1974 | Tehran | Clay | R16 | Brian Gottfried | 7-5 7-5 |
| 1973 | Fort Worth | Hard | SF | Brian Gottfried | 3-6 6-3 6-4 |
| 1973 | Johannesburg WCT | Hard | F | Brian Gottfried | W/O |
| 1973 | Toronto WCT | Carpet | R32 | Jaime Fillol Sr. | 7-5 6-3 |
| 1972 | Seattle | Carpet | R32 | Jaime Fillol Sr. | 6-4 6-7 6-2 |
| 1972 | New York-1 | Carpet | R32 | Brian Gottfried | 4-6 7-5 6-4 |
| 1971 | Clemmons | Clay | R16 | Jaime Fillol Sr. | 6-4 6-3 |
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.