Head to head
2
Hard
0
1
Grass
0
5
Carpet
2
John McEnroe'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 (10)
| 1983 | San Francisco | Carpet | R16 | John McEnroe | 6-3 6-3 |
| 1983 | Richmond WCT | Carpet | R16 | Roscoe Tanner | 6-3 5-7 6-2 |
| 1982 | Memphis | Carpet | QF | John McEnroe | 7-6 6-1 |
| 1982 | Masters | Carpet | RR | John McEnroe | 6-3 6-2 |
| 1981 | Sydney-1 | Hard | F | John McEnroe | 6-4 7-5 6-2 |
| 1980 | Richmond WCT | Carpet | F | John McEnroe | 6-1 6-2 |
| 1979 | Queen's Club | Grass | SF | John McEnroe | 6-4 7-5 |
| 1979 | New Orleans WCT | Carpet | F | John McEnroe | 6-4 6-2 |
| 1979 | Philadelphia WCT | Carpet | QF | Roscoe Tanner | 7-6 6-2 |
| 1978 | Maui | Hard | QF | John McEnroe | 3-6 6-1 7-5 |
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.