Head to head
1
Hard
2
4
Clay
3
2
Grass
0
3
Carpet
2
Marty Riessen'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 (17)
| 1978 | Philadelphia WCT | Carpet | R64 | Marty Riessen | 7-6 6-7 6-3 |
| 1975 | US Open | Clay | R128 | John Alexander | 7-6 6-1 |
| 1975 | Houston WCT | Clay | R16 | John Alexander | 6-3 6-1 |
| 1975 | Tucson | Hard | R16 | John Alexander | 7-6 6-2 |
| 1975 | San Antonio WCT | Carpet | QF | John Alexander | 6-3 6-4 |
| 1974 | Washington-2 | Clay | QF | Marty Riessen | 7-5 6-7 6-1 |
| 1974 | Lakeway WCT | Hard | SF | John Alexander | 4-6 7-6 7-5 |
| 1972 | Vancouver WCT | Carpet | R32 | Marty Riessen | 7-6 6-2 |
| 1972 | Philadelphia WCT | Carpet | R16 | Marty Riessen | 4-6 6-3 7-6 |
| 1971 | Fort Worth WCT | Hard | QF | Marty Riessen | 7-6 1-6 6-3 |
| 1971 | Wimbledon | Grass | R64 | Marty Riessen | 9-8 6-2 6-3 |
| 1971 | Roland Garros | Clay | R64 | Marty Riessen | 0-6 6-4 5-7 6-4 6-3 |
| 1971 | Tehran WCT | Clay | F | Marty Riessen | 6-7 6-1 6-3 7-6 |
| 1971 | Philadelphia WCT | Carpet | R32 | John Alexander | 6-4 7-6(9) |
| 1968 | Perth | Grass | SF | Marty Riessen | 7-5 6-4 2-6 6-3 |
| 1968 | Reggio Calabria | Clay | QF | Marty Riessen | 6-2 6-0 |
| 1968 | Naples | Clay | R16 | John Alexander | 6-4 10-8 |
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.