Head to head
1
Hard
1
1
Clay
1
0
Grass
1
1
Carpet
0
Ross Case's wins on the left · Geoff Masters's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (6)
| 1978 | Palm Springs | Hard | R64 | Geoff Masters | 6-3 6-1 |
| 1976 | Denver WCT | Carpet | QF | Ross Case | 6-3 2-6 6-3 |
| 1975 | Sydney-1 | Hard | QF | Ross Case | 4-6 7-6 6-3 |
| 1974 | Charlotte WCT | Clay | R32 | Geoff Masters | 6-1 4-6 6-4 |
| 1973 | Manila | Clay | F | Ross Case | 6-1 6-0 |
| 1973 | Sydney-1 | Grass | QF | Geoff Masters | 4-6 6-2 7-6 1-6 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.