Head to head
1
Hard
0
3
Clay
0
2
Grass
1
Ilie Nastase's wins on the left · Onny Parun's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (8)
| 1980 | Tel Aviv | Hard | QF | Ilie Nastase | 6-2 3-6 7-5 |
| 1976 | US Open | Clay | R128 | Ilie Nastase | W/O |
| 1976 | Wimbledon | Grass | R16 | Ilie Nastase | 7-5 6-4 6-3 |
| 1974 | Roland Garros | Clay | R16 | Ilie Nastase | 6-4 6-2 7-6 |
| 1973 | South Orange | Grass | R16 | Onny Parun | 6-4 1-6 6-2 |
| 1973 | Davis Cup EUR SF: ROU vs NZL | Clay | RR | Ilie Nastase | 6-1 8-6 6-2 |
| 1972 | Madrid | Clay | R16 | Ilie Nastase | 6-4 6-2 |
| 1970 | Wimbledon | Grass | R128 | Ilie Nastase | 6-8 6-0 7-5 8-6 |
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.