South Orange 1980 ATP
Final
| Winner | Loser | Score | |
|---|---|---|---|
| Jose Luis Clerc | d. | John McEnroe | 6-3 6-2 |
Semifinals
| Winner | Loser | Score | |
|---|---|---|---|
| John McEnroe | d. | David Carter | 6-1 6-2 |
| Jose Luis Clerc | d. | Alvaro Betancur | 6-3 6-2 |
Quarterfinals
| Winner | Loser | Score | |
|---|---|---|---|
| John McEnroe | d. | Van Winitsky | 6-3 4-6 6-0 |
| David Carter | d. | Fernando Maynetto | 6-2 7-5 |
| Alvaro Betancur | d. | Blaine Willenborg | 6-4 6-4 |
| Jose Luis Clerc | d. | Ricardo Cano | 6-3 6-2 |
Round of 16
| Winner | Loser | Score | |
|---|---|---|---|
| John McEnroe | d. | John Lloyd | 6-0 6-1 |
| Van Winitsky | d. | Warren Maher | 6-2 6-3 |
| Fernando Maynetto | d. | Pascal Portes | 3-6 6-4 6-0 |
| David Carter | d. | Deon Joubert | 6-3 6-1 |
| Blaine Willenborg | d. | Ramesh Krishnan | 6-4 2-6 6-2 |
| Alvaro Betancur | d. | John James | 6-3 6-4 |
| Ricardo Cano | d. | Steve Krulevitz | 6-4 6-1 |
| Jose Luis Clerc | d. | Rodney Harmon | 6-3 6-4 |
Round of 32
| Winner | Loser | Score | |
|---|---|---|---|
| John McEnroe | d. | Jay Lapidus | 4-6 6-3 6-4 |
| John Lloyd | d. | Colin Dowdeswell | 6-1 6-4 |
| Warren Maher | d. | John Hayes | 6-1 7-6 |
| Van Winitsky | d. | Carlos Gattiker | 6-2 6-3 |
| Fernando Maynetto | d. | Peter Rennert | 6-7 6-4 6-4 |
| Pascal Portes | d. | Christophe Freyss | 6-4 4-6 6-2 |
| David Carter | d. | Syd Ball | 6-4 1-6 6-3 |
| Deon Joubert | d. | Anand Amritraj | 7-5 6-3 |
| Ramesh Krishnan | d. | Terry Rocavert | 7-6 6-4 |
| Blaine Willenborg | d. | Zan Guerry | 6-2 6-3 |
| John James | d. | David Schneider | 6-2 6-1 |
| Alvaro Betancur | d. | Colin Dibley | 6-7 6-0 6-1 |
| Ricardo Cano | d. | Alvin Gardiner | 6-4 5-7 6-3 |
| Steve Krulevitz | d. | Fritz Buehning | 7-6 6-2 |
| Rodney Harmon | d. | Marcel Freeman | 7-6 2-6 7-6 |
| Jose Luis Clerc | d. | Emilio Montano | 6-1 6-4 |