Head to head
1
Hard
2
0
Carpet
3
Tom Leonard'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)
| 1980 | New Orleans | Carpet | R16 | Roscoe Tanner | 6-3 6-3 |
| 1979 | Philadelphia WCT | Carpet | R32 | Roscoe Tanner | 6-3 6-2 |
| 1978 | Palm Springs | Hard | SF | Roscoe Tanner | 6-3 6-4 |
| 1977 | Los Angeles-2 | Hard | R16 | Tom Leonard | 1-6 6-3 7-6 |
| 1974 | Los Angeles | Hard | R64 | Roscoe Tanner | 6-3 4-6 7-5 |
| 1973 | Denver WCT | Carpet | QF | Roscoe Tanner | 6-4 6-1 |
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.