Head to head
0
Clay
1
1
Grass
0
1
Carpet
2
Onny Parun's wins on the left · Jimmy Connors's on the right · bar lengths share one scale
All meetings (5)
| 1977 | Toronto WCT | Carpet | R16 | Jimmy Connors | 6-1 6-3 |
| 1974 | San Francisco | Carpet | QF | Onny Parun | 6-3 3-6 6-4 |
| 1974 | Indianapolis | Clay | QF | Jimmy Connors | 6-3 6-2 |
| 1973 | Quebec | Carpet | QF | Jimmy Connors | 6-3 6-2 |
| 1971 | South Orange | Grass | QF | Onny Parun | 6-3 7-6 |
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.