Head to head
3
Hard
3
1
Clay
1
1
Grass
0
2
Carpet
3
Ilie Nastase's wins on the left · Arthur Ashe's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (14)
| 1978 | Richmond WCT | Carpet | R32 | Arthur Ashe | 3-6 7-5 6-3 |
| 1976 | World Invitational Tennis Classic | Clay | SF | Arthur Ashe | 4-6 6-4 7-6 |
| 1976 | WCT Challenge Cup | Hard | F | Ilie Nastase | 6-3 1-6 6-7 6-3 6-1 |
| 1975 | Masters | Carpet | RR | Arthur Ashe | 1-6 7-5 4-1 RET |
| 1975 | Paris | Hard | SF | Arthur Ashe | 2-6 6-7 6-3 6-3 6-4 |
| 1975 | Louisville | Clay | SF | Ilie Nastase | 6-3 6-3 |
| 1972 | US Open | Grass | F | Ilie Nastase | 3-6 6-3 6-7 6-4 6-3 |
| 1971 | Richmond | Carpet | F | Ilie Nastase | 3-6 6-2 6-4 |
| 1970 | Salisbury | Hard | R16 | Ilie Nastase | 8-6 5-7 6-2 |
| 1970 | Richmond | Carpet | QF | Arthur Ashe | 8-6 8-6 |
| 1970 | New York | Carpet | 3rd/4th | Ilie Nastase | 8-7 |
| 1969 | Denver | Hard | SF | Ilie Nastase | 6-5 4-6 6-5 |
| 1969 | Denver | Hard | RR | Arthur Ashe | 6-4 |
| 1969 | Davis Cup WG CR: USA vs ROU | Hard | RR | Arthur Ashe | 6-2 15-13 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.