Head to head
0
Hard
2
0
Clay
1
1
Grass
0
1
Carpet
1
Mike Estep's wins on the left · Brian Gottfried's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (6)
| 1982 | Tampa | Hard | F | Brian Gottfried | 6-7 6-2 6-4 |
| 1977 | Los Angeles-1 | Carpet | R32 | Brian Gottfried | 6-3 7-5 |
| 1975 | Hamburg | Clay | R64 | Brian Gottfried | 6-3 6-3 |
| 1973 | Christchurch | Hard | QF | Brian Gottfried | 6-4 6-4 |
| 1973 | Hampton | Carpet | QF | Mike Estep | 6-1 6-0 |
| 1970 | Haverford | Grass | R64 | Mike Estep | 6-4 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.