Quito 1981 ATP
Final
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Eddie Dibbs | m. | David Carter | 3-6 6-0 7-5 |
Semifinal
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| David Carter | m. | Hans Gildemeister | 2-6 6-3 6-2 |
| Eddie Dibbs | m. | Andres Gomez | 7-6 2-6 6-3 |
Perempat final
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| David Carter | m. | Ricardo Ycaza | 6-4 6-1 |
| Eddie Dibbs | m. | Manuel Orantes | 6-4 6-2 |
| Hans Gildemeister | m. | Victor Pecci | 6-2 6-4 |
| Andres Gomez | m. | Jose Luis Clerc | 6-4 3-6 6-2 |
Babak 16 besar
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Ricardo Ycaza | m. | Francesco Cancellotti | 7-6 6-4 |
| David Carter | m. | Javier Restrepo | 6-2 6-4 |
| Andres Gomez | m. | Ricardo Acuna | 6-3 6-4 |
| Manuel Orantes | m. | Alejandro Cortes | 7-5 7-5 |
| Hans Gildemeister | m. | Gabriel Urpi | 6-1 7-6 |
| Eddie Dibbs | m. | Guillermo Aubone | 7-5 6-4 |
| Victor Pecci | m. | Francisco Gonzalez | 5-7 6-3 12-10 |
| Jose Luis Clerc | m. | Andreas Maurer | 6-2 6-3 |
Babak 32 besar
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Gabriel Urpi | m. | Juan Nunez | 6-4 3-6 6-3 |
| Javier Restrepo | m. | Alejandro Ganzabal | 6-4 6-1 |
| Andreas Maurer | m. | Heinz Gildemeister | 6-2 6-2 |
| Francisco Gonzalez | m. | Ramiro Benavides | 7-6 7-6 |
| Alejandro Cortes | m. | Alejandro Gattiker | 4-6 6-3 6-4 |
| Francesco Cancellotti | m. | Damir Keretic | 7-6 7-6 |
| Guillermo Aubone | m. | Bernard Boileau | 6-3 6-2 |
| Ricardo Acuna | m. | Pedro Rebolledo | 6-2 6-4 |
| Ricardo Ycaza | m. | Ricardo Cano | 4-6 6-3 8-6 |
| Andres Gomez | m. | Pablo Arraya | 4-6 7-6 6-4 |
| Manuel Orantes | m. | Carlos Gattiker | 6-2 6-1 |
| Hans Gildemeister | m. | Raul Antonio Viver | 7-6 7-5 |
| David Carter | m. | Jose Higueras | 3-6 6-4 6-4 |
| Eddie Dibbs | m. | Peter Spang | 6-1 6-2 |
| Victor Pecci | m. | Marcos Hocevar | 7-6 6-4 |
| Jose Luis Clerc | m. | Orlando Agudelo | 6-2 6-4 |
Data: Jeff Sackmann / Tennis Abstract — CC BY-NC-SA 4.0