Head to head
3
Hard
2
1
Clay
3
1
Grass
1
3
Carpet
3
Marty Riessen's wins on the left · Cliff Drysdale's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (18)
| 1976 | San Francisco | Carpet | R32 | Cliff Drysdale | 6-1 6-7 6-3 |
| 1975 | Memphis WCT | Carpet | R32 | Cliff Drysdale | W/O |
| 1975 | San Antonio WCT | Carpet | R16 | Marty Riessen | 6-4 6-3 |
| 1974 | Monte-Carlo WCT | Clay | QF | Marty Riessen | 7-5 6-3 |
| 1974 | Miami WCT | Carpet | R32 | Cliff Drysdale | 6-4 6-7(3) 6-3 |
| 1972 | Cleveland WCT | Carpet | QF | Cliff Drysdale | 6-3 6-3 |
| 1972 | Boston WCT | Hard | QF | Cliff Drysdale | 6-4 6-4 |
| 1972 | WCT Finals | Carpet | QF | Marty Riessen | 5-7 4-6 6-2 7-5 6-3 |
| 1972 | Las Vegas WCT | Hard | SF | Cliff Drysdale | 6-4 6-4 |
| 1971 | Fort Worth WCT | Hard | SF | Marty Riessen | 5-7 7-6 6-4 |
| 1970 | Toronto | Clay | QF | Cliff Drysdale | 6-4 6-3 |
| 1970 | Gstaad | Clay | QF | Cliff Drysdale | 6-3 6-0 |
| 1969 | Chicago | Carpet | R16 | Marty Riessen | 8-4 |
| 1969 | Hamburg | Clay | R16 | Cliff Drysdale | 2-6 6-1 7-5 6-3 |
| 1968 | Kimberley WCT | Hard | QF | Marty Riessen | 9-7 |
| 1968 | Durban WCT | Hard | QF | Marty Riessen | 1-6 6-3 8-6 |
| 1968 | Newport WCT | Grass | F | Marty Riessen | 21-10 9-21 21-19 |
| 1968 | Newport WCT | Grass | RR | Cliff Drysdale | 15-21 21-18 21-20 |
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.