Head to head
1
Clay
0
1
Grass
1
2
Carpet
1
John Lloyd'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 (6)
| 1978 | San Francisco | Carpet | R16 | Roscoe Tanner | 6-3 7-5 |
| 1978 | Los Angeles | Carpet | R16 | John Lloyd | 4-6 7-6 6-3 |
| 1977 | Columbus | Clay | R32 | John Lloyd | 7-6 6-4 |
| 1977 | Wimbledon | Grass | R128 | John Lloyd | 3-6 6-4 6-4 8-6 |
| 1976 | Los Angeles | Carpet | R32 | John Lloyd | 1-6 6-2 7-6 |
| 1975 | Nottingham | Grass | R64 | Roscoe Tanner | 6-1 6-2 |
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.