Head to head
Rivalry summary
Onny Parun and John Ross met 1 times on the ATP tour between 1973 and 1973. Onny Parun leads the head-to-head 1–0 against John Ross.
1
Grass
0
Onny Parun's wins on the left · John Ross's on the right · bar lengths share one scale
All meetings (1)
| 1973 | Auckland | Grass | R16 | Onny Parun | 6-0 6-4 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.