Head to head
0
Hard
2
2
Clay
2
1
Grass
0
0
Carpet
1
Marty Riessen's wins on the left · Ilie Nastase's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (8)
| 1980 | Los Angeles | Hard | R32 | Ilie Nastase | 6-4 6-2 |
| 1976 | US Open | Clay | R32 | Ilie Nastase | 6-2 7-5 |
| 1974 | Nottingham | Grass | R16 | Marty Riessen | 6-3 9-8 |
| 1974 | Monte-Carlo WCT | Clay | SF | Ilie Nastase | 6-1 6-2 |
| 1974 | Toronto WCT | Carpet | SF | Ilie Nastase | 6-3 6-4 |
| 1973 | Davis Cup WG SF: USA vs ROU | Hard | RR | Ilie Nastase | 6-2 6-4 6-2 |
| 1968 | Reggio Calabria | Clay | F | Marty Riessen | 3-6 3-6 6-3 6-4 6-2 |
| 1968 | Palermo | Clay | QF | Marty Riessen | 4-6 6-2 6-3 |
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.