Head to head
1
Hard
0
0
Clay
1
1
Grass
2
0
Carpet
1
Syd Ball's wins on the left · Ross Case's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (6)
| 1981 | Sydney-1 | Hard | R32 | Syd Ball | 6-3 6-4 |
| 1975 | Sydney-2 | Grass | R16 | Ross Case | 6-3 3-6 6-2 |
| 1975 | Perth | Carpet | QF | Ross Case | 6-4 6-2 |
| 1975 | Melbourne | Clay | R32 | Ross Case | 6-3 6-1 |
| 1971 | Australian Open | Grass | R64 | Syd Ball | 4-6 7-5 6-4 7-6 |
| 1970 | Adelaide | Grass | R16 | Ross Case | 6-2 2-6 6-2 |
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.