Head to head
2
Hard
1
0
Clay
3
2
Grass
1
3
Carpet
1
Marty Riessen's wins on the left · Roy Emerson's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (13)
| 1977 | Carlsbad | Hard | QF | Marty Riessen | 6-4 6-4 |
| 1972 | Alamo WCT | Hard | R32 | Roy Emerson | 6-4 3-6 7-6 |
| 1972 | Denver WCT | Carpet | SF | Marty Riessen | 7-6 6-4 |
| 1972 | Hilton Head WCT | Clay | R16 | Roy Emerson | 6-7 6-4 6-2 |
| 1970 | Tucson | Hard | F | Marty Riessen | 6-1 6-4 |
| 1970 | Vancouver | Carpet | QF | Roy Emerson | 6-3 6-1 |
| 1970 | Newport-2 | Grass | RR | Marty Riessen | 6-4 4-6 1-0(1) |
| 1970 | Newport-2 | Grass | RR | Marty Riessen | 6-5 6-2 |
| 1969 | Portschach | Clay | RR | Roy Emerson | 8-6 6-3 |
| 1969 | Japanese Championships | Carpet | RR | Marty Riessen | 5-6 6-5 6-2 |
| 1969 | Los Angeles-1 | Carpet | SF | Marty Riessen | 6-3 6-5 |
| 1969 | Hollywood | Clay | R16 | Roy Emerson | 6-1 5-7 6-0 |
| 1969 | Sydney | Grass | R16 | Roy Emerson | 6-8 7-5 6-2 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.