Head to head
1
Hard
0
0
Grass
1
Onny Parun's wins on the left · Bob Giltinan's on the right · bar lengths share one scale
All meetings (2)
| 1975 | Johannesburg WCT | Hard | R16 | Onny Parun | 7-5 6-4 |
| 1973 | Australian Open | Grass | R16 | Bob Giltinan | 7-6 7-6 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.