Head to head
2
Hard
0
0
Clay
2
4
Carpet
1
John McEnroe'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 (9)
| 1984 | Davis Cup WG R1: ROU vs USA | Carpet | RR | John McEnroe | 6-2 6-4 6-2 |
| 1980 | WCT Challenge Cup | Carpet | RR | John McEnroe | 6-0 6-3 |
| 1980 | Milan WCT | Carpet | R32 | John McEnroe | 6-1 6-4 |
| 1979 | US Open | Hard | R64 | John McEnroe | 6-4 4-6 6-3 6-2 |
| 1979 | Richmond WCT | Carpet | QF | John McEnroe | 6-3 3-6 6-2 |
| 1978 | WCT Challenge Cup | Hard | RR | John McEnroe | 6-5 3-6 6-4 |
| 1978 | Forest Hills WCT | Clay | SF | Ilie Nastase | 6-3 7-6 |
| 1977 | Virginia Beach | Clay | SF | Ilie Nastase | 7-5 4-6 6-3 |
| 1977 | Ocean City | Carpet | R16 | Ilie Nastase | 7-5 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.