Head to head
2
Hard
2
2
Clay
0
0
Grass
1
3
Carpet
5
Cliff Drysdale's wins on the left · John Alexander's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (15)
| 1978 | Los Angeles | Carpet | R16 | Cliff Drysdale | 6-3 3-6 7-5 |
| 1975 | Tokyo WCT | Carpet | QF | John Alexander | 7-6(6) 4-6 7-5 |
| 1975 | Atlanta WCT | Carpet | R16 | John Alexander | 6-4 7-5 |
| 1975 | Washington WCT | Carpet | R16 | John Alexander | 2-6 6-1 6-4 |
| 1975 | Fort Worth WCT | Hard | SF | John Alexander | 6-3 7-6(4) |
| 1973 | US Open | Grass | R32 | John Alexander | 3-6 7-6 6-2 6-2 |
| 1972 | Johannesburg WCT | Hard | QF | John Alexander | 6-2 7-5 |
| 1972 | Alamo WCT | Hard | QF | Cliff Drysdale | 6-7 6-2 6-4 |
| 1972 | Chicago WCT | Carpet | R16 | John Alexander | 7-5 7-6 |
| 1972 | Hollywood WCT | Clay | R16 | Cliff Drysdale | 7-5 7-5 |
| 1971 | Stockholm WCT | Hard | QF | Cliff Drysdale | 7-6 4-6 6-3 |
| 1971 | Toronto WCT | Clay | R32 | Cliff Drysdale | 6-3 6-2 |
| 1971 | Denver | Carpet | SF | Cliff Drysdale | 6-3 6-5 |
| 1971 | Denver | Carpet | RR | John Alexander | 6-1 |
| 1971 | Chicago WCT | Carpet | R32 | Cliff Drysdale | 6-4 6-7 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.