Head to head
1
Hard
0
1
Grass
0
2
Carpet
0
Roscoe Tanner's wins on the left · Jeff Borowiak's on the right · bar lengths share one scale
All meetings (4)
| 1978 | San Francisco | Carpet | R32 | Roscoe Tanner | 6-3 6-2 |
| 1973 | Alamo | Hard | R16 | Roscoe Tanner | 6-2 6-4 |
| 1973 | Milan WCT | Carpet | R32 | Roscoe Tanner | 6-4 7-6(4) |
| 1971 | Haverford | Grass | R16 | Roscoe Tanner | 5-7 7-6 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.