Head to head
2
Clay
0
1
Grass
0
Onny Parun's wins on the left · Joaquin Loyo-Mayo's on the right · bar lengths share one scale
All meetings (3)
| 1971 | Davis Cup AME F: MEX vs NZL | Clay | RR | Onny Parun | 7-9 6-4 6-1 7-5 |
| 1970 | Davis Cup AME SF: MEX vs NZL | Clay | RR | Onny Parun | 8-6 6-4 6-4 |
| 1969 | Boston-2 | Grass | R64 | Onny Parun | 6-3 6-1 |
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.