Head to head
1
Clay
1
1
Grass
0
Geoff Masters's wins on the left · Hans Kary's on the right · bar lengths share one scale
All meetings (3)
| 1974 | Boston | Clay | R64 | Geoff Masters | 6-3 6-2 |
| 1973 | Sydney-1 | Grass | R16 | Geoff Masters | 7-6 6-2 7-6 |
| 1972 | Hilversum | Clay | QF | Hans Kary | 10-8 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.