Head to head
1
Hard
1
2
Clay
2
0
Grass
1
1
Carpet
1
Kim Warwick'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 (9)
| 1983 | Australian Open | Grass | R128 | Roscoe Tanner | 7-6 6-2 3-6 6-3 |
| 1982 | Carlsbad WCT | Hard | QF | Roscoe Tanner | 4-6 6-3 7-6 |
| 1979 | Taipei | Carpet | QF | Kim Warwick | 6-4 7-6 |
| 1977 | Tokyo | Clay | QF | Kim Warwick | 6-1 4-6 6-3 |
| 1976 | Tokyo | Clay | R16 | Roscoe Tanner | 6-0 6-1 |
| 1976 | Sydney-1 | Hard | R32 | Kim Warwick | 7-6 3-6 6-0 |
| 1976 | US Open | Clay | R32 | Roscoe Tanner | 6-2 6-4 |
| 1976 | Memphis WCT | Carpet | R16 | Roscoe Tanner | 6-2 6-7(5) 7-6(0) |
| 1974 | Tokyo-2 | Clay | QF | Kim Warwick | 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.