Head to head
1
Hard
3
0
Clay
1
0
Grass
2
Mike Estep's wins on the left · Roscoe Tanner's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (7)
| 1982 | Tampa | Hard | QF | Mike Estep | 3-6 6-3 6-2 |
| 1976 | US Open | Clay | R128 | Roscoe Tanner | 6-3 6-4 |
| 1975 | Stockholm-2 | Hard | R32 | Roscoe Tanner | 6-1 6-4 |
| 1975 | Wimbledon | Grass | R16 | Roscoe Tanner | 9-8 6-4 6-2 |
| 1974 | Jakarta | Hard | R32 | Roscoe Tanner | 6-1 6-0 |
| 1974 | US Open | Grass | R128 | Roscoe Tanner | 6-4 4-6 6-3 7-6 |
| 1973 | Fort Worth | Hard | R16 | Roscoe Tanner | 6-3 7-6 |
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.