Head to head
1
Hard
0
0
Clay
2
1
Carpet
2
Jim Osborne's wins on the left · Zeljko Franulovic's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (6)
| 1971 | New York | Carpet | QF | Zeljko Franulovic | 6-4 6-4 |
| 1970 | Macon | Carpet | R32 | Zeljko Franulovic | 11-9 3-6 8-6 |
| 1970 | Philadelphia | Carpet | R32 | Jim Osborne | 6-8 8-6 8-6 |
| 1969 | Cincinnati | Clay | R16 | Zeljko Franulovic | 6-3 7-5 |
| 1968 | Curacao | Hard | R32 | Jim Osborne | 9-7 6-3 |
| 1968 | Barranquilla | Clay | R32 | Zeljko Franulovic | 6-4 3-6 6-4 |
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.