Head to head
1
Hard
1
1
Grass
0
Jim Osborne's wins on the left · Barry MacKay's on the right · bar lengths share one scale
All meetings (3)
| 1970 | Phoenix | Hard | SF | Jim Osborne | 6-3 6-4 |
| 1970 | Sacramento | Hard | R16 | Barry MacKay | 6-4 6-4 |
| 1968 | US Open | Grass | R128 | Jim Osborne | 8-6 4-6 7-5 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.