Head to head
2
Hard
0
0
Clay
2
1
Grass
0
0
Carpet
1
Roscoe Tanner's wins on the left · Manuel Orantes's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (6)
| 1978 | Nations Cup | Clay | SF | Manuel Orantes | 6-4 7-6 |
| 1978 | Palm Springs | Hard | QF | Roscoe Tanner | 6-1 4-6 7-5 |
| 1976 | Masters | Carpet | RR | Manuel Orantes | 7-6 6-3 |
| 1973 | Cincinnati | Clay | QF | Manuel Orantes | 6-3 6-0 |
| 1972 | Los Angeles-2 | Hard | QF | Roscoe Tanner | 7-6 6-4 |
| 1971 | Haverford | Grass | R32 | Roscoe Tanner | 6-2 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.