Head to head
0
Hard
1
1
Grass
0
Ken Rosewall's wins on the left · Dale Collings's on the right · bar lengths share one scale
All meetings (2)
| 1979 | Sydney-1 | Hard | R32 | Dale Collings | 6-2 4-6 7-6 |
| 1977 | Australian Open-2 | Grass | R64 | Ken Rosewall | 6-4 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.