Head to head
0
Hard
1
1
Clay
1
3
Carpet
0
Brian Gottfried'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)
| 1980 | Houston WCT | Clay | R16 | Brian Gottfried | 6-2 6-3 |
| 1979 | Washington-2 | Clay | R64 | Geoff Masters | 6-2 4-6 6-4 |
| 1976 | Philadelphia WCT | Carpet | R64 | Brian Gottfried | 6-4 6-2 |
| 1975 | Dayton | Carpet | F | Brian Gottfried | 6-4 4-6 6-4 |
| 1975 | Philadelphia WCT | Carpet | R128 | Brian Gottfried | 6-2 6-4 |
| 1973 | Sydney-2 | Hard | R32 | Geoff Masters | 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.