Head to head
3
Hard
0
0
Clay
3
1
Grass
2
1
Carpet
2
Roscoe Tanner'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 (12)
| 1981 | Frankfurt WCT | Carpet | R16 | Ilie Nastase | 6-4 7-6 |
| 1979 | Cincinnati | Hard | QF | Roscoe Tanner | 6-3 6-4 |
| 1978 | Wimbledon | Grass | R16 | Ilie Nastase | 2-6 6-4 6-2 6-3 |
| 1978 | Philadelphia WCT | Carpet | R16 | Roscoe Tanner | 6-1 6-7 6-0 |
| 1977 | WCT Challenge Cup | Carpet | RR | Ilie Nastase | 5-6 6-4 6-5 |
| 1976 | US Open | Clay | R16 | Ilie Nastase | 7-5 6-7 1-6 7-6 6-4 |
| 1976 | South Orange | Clay | F | Ilie Nastase | 6-4 6-2 |
| 1976 | Palm Springs | Hard | QF | Roscoe Tanner | 6-3 3-1 RET |
| 1974 | US Open | Grass | R32 | Roscoe Tanner | 4-6 6-7 7-5 6-4 6-4 |
| 1974 | Rome | Clay | R16 | Ilie Nastase | 3-6 6-1 6-3 |
| 1972 | Los Angeles-2 | Hard | R16 | Roscoe Tanner | 5-7 6-4 6-2 |
| 1972 | South Orange | Grass | QF | Ilie Nastase | 7-6 6-4 |
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.