Head to head
0
Hard
2
1
Clay
0
1
Grass
0
Cliff Drysdale's wins on the left · Roscoe Tanner's on the right · bar lengths share one scale
All meetings (4)
| 1979 | Rancho Mirage | Hard | R32 | Roscoe Tanner | 5-7 7-5 7-5 |
| 1975 | San Juan WCT | Clay | R16 | Cliff Drysdale | 7-5 6-3 |
| 1973 | Las Vegas | Hard | QF | Roscoe Tanner | 7-6 6-3 |
| 1970 | South Orange | Grass | R64 | Cliff Drysdale | 6-4 7-6 |
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.