30‑Jan‑1978 | Richmond WCT | Carpet | R32 | 10 | | Arthur Ashe [USA] d. (6)Nastase | 3-6 7-5 6-3 | | | | | | | | | |
12‑Oct‑1976 | World Invitational Classic | Clay | SF | | | Arthur Ashe [USA] d. Nastase | 4-6 6-4 7-6 | | | | | | | | | |
15‑Feb‑1976 | WCT Challenge Cup | Hard | F | | | Nastase d. Arthur Ashe [USA] | 6-3 1-6 6-7 6-3 6-1 | | | | | | | | | |
30‑Nov‑1975 | Masters | Hard | RR | 8 | 7 | Arthur Ashe [USA] d. Nastase | 1-6 7-5 4-1 DEF | | | | | | | | | |
27‑Oct‑1975 | Paris Indoor | Hard | SF | 8 | 7 | (2)Arthur Ashe [USA] d. (3)Nastase | 2-6 6-7 6-3 6-3 6-4 | | | | | | | | | |
5‑Aug‑1975 | Louisville | Clay | SF | 8 | 7 | Nastase d. Arthur Ashe [USA] | 6-3 6-3 | | | | | | | | | |
30‑Aug‑1972 | US Open | Grass | F | | | (4)Nastase d. (6)Arthur Ashe [USA] | 3-6 6-3 6-7 6-4 6-3 | (ch) | | | | | | | | |
7‑Feb‑1971 | Richmond | Hard | F | | | Nastase d. Arthur Ashe [USA] | 3-6 6-2 6-4 | | | | | | | | | |
15‑Feb‑1970 | Salisbury | Hard | R16 | | | Nastase d. Arthur Ashe [USA] | 8-6 5-7 6-2 | | | | | | | | | |
13‑Feb‑1970 | Richmond | Carpet | QF | | | Arthur Ashe [USA] d. Nastase | 8-6 8-6 | | | | | | | | | |
9‑Feb‑1970 | New York | Carpet | BR | | | Nastase d. Arthur Ashe [USA] | 8-7 | | | | | | | | | |
17‑Oct‑1969 | Denver | Hard | SF | | | Nastase d. Arthur Ashe [USA] | 6-5 4-6 6-5 | | | | | | | | | |
17‑Oct‑1969 | Denver | Hard | RR | | | Arthur Ashe [USA] d. Nastase | 6-4 | | | | | | | | | |
19‑Sep‑1969 | Davis Cup WG CR: USA vs ROU | Hard | RR | | | Arthur Ashe [USA] d. Nastase | 6-2 15-13 7-5 | | | | | | | | | |