Head to head
0
Hard
2
1
Grass
0
0
Carpet
1
Onny Parun's wins on the left · Jaime Fillol Sr.'s on the right · bar lengths share one scale
All meetings (4)
| 1976 | Wimbledon | Grass | R32 | Onny Parun | 7-5 6-4 6-4 |
| 1973 | Johannesburg WCT | Hard | SF | Jaime Fillol Sr. | 2-6 7-6(6) 6-3 |
| 1973 | Caracas | Hard | RR | Jaime Fillol Sr. | 0-6 6-4 7-5 |
| 1970 | Macon | Carpet | QF | Jaime Fillol Sr. | 6-1 5-7 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.