Head to head
1
Hard
2
0
Clay
1
1
Grass
0
0
Carpet
1
Ove Nils Bengtson's wins on the left · Jaime Fillol Sr.'s on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (6)
| 1978 | Vienna | Hard | R32 | Ove Nils Bengtson | 6-4 6-4 |
| 1978 | Houston WCT | Clay | R16 | Jaime Fillol Sr. | 6-3 6-3 |
| 1977 | Palm Springs | Hard | R32 | Jaime Fillol Sr. | 6-4 6-4 |
| 1976 | Nottingham | Grass | R32 | Ove Nils Bengtson | 7-6 7-6 |
| 1975 | St. Petersburg WCT | Carpet | R32 | Jaime Fillol Sr. | 7-6(5) 4-6 6-3 |
| 1972 | Jacksonville | Hard | QF | Jaime Fillol Sr. | 7-6 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.