Medellin CH 1983 ATP
Final
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Michiel Schapers | m. | John Austin | 6-3 6-4 |
Semifinal
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Michiel Schapers | m. | Hans Peter Kandler | 6-2 2-6 6-3 |
| John Austin | m. | Gerald Mild | 6-4 6-4 |
Perempat final
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Michiel Schapers | m. | Juan Hernandez | 7-6 1-6 7-6 |
| Hans Peter Kandler | m. | Phil Lehnhoff | 6-2 6-4 |
| John Austin | m. | Fernando Maynetto | 6-2 6-4 |
| Gerald Mild | m. | Bernhard Pils | 7-6 6-2 |
Babak 16 besar
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Michiel Schapers | m. | Morten Ronneberg | W/O |
| Gerald Mild | m. | John Picken | 7-6 6-4 |
| Fernando Maynetto | m. | Tarik Benhabiles | 7-6 6-4 |
| Phil Lehnhoff | m. | Francesco Cancellotti | 6-2 6-2 |
| Hans Peter Kandler | m. | Randy Druz | 6-4 6-4 |
| Juan Hernandez | m. | Jacques Grandjean | 6-1 3-6 6-4 |
| John Austin | m. | Larry Stefanki | 7-6 4-6 6-4 |
| Bernhard Pils | m. | Patrice Kuchna | 4-6 6-3 6-4 |
Babak 32 besar
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Larry Stefanki | m. | Phillip Ilako | 6-2 6-1 |
| Michiel Schapers | m. | Syd Ball | 6-3 6-1 |
| John Picken | m. | Huub Van Boeckel | 6-4 6-0 |
| Gerald Mild | m. | Thomas Stalhandske | 6-1 6-3 |
| Fernando Maynetto | m. | Maurice Hunter | 4-6 7-6 7-6 |
| Phil Lehnhoff | m. | Jonathan Canter | 6-7 7-6 6-1 |
| Patrice Kuchna | m. | Helmar Stiegler | 6-1 3-6 6-4 |
| Juan Hernandez | m. | James Ilako | 7-5 6-1 |
| Jacques Grandjean | m. | Kevin Manning | 6-0 6-3 |
| Randy Druz | m. | Frank Hamonet | 2-6 7-6 7-6 |
| Tarik Benhabiles | m. | Rick Fagel | 5-7 6-4 6-1 |
| Hans Peter Kandler | m. | Harald Theissen | 6-7 6-2 6-2 |
| Bernhard Pils | m. | Eric Wilborts | 1-6 6-2 7-6 |
| Morten Ronneberg | m. | Haroon Ismail | 6-3 6-4 |
| John Austin | m. | Peter Feigl | 6-2 3-0 RET |
| Francesco Cancellotti | m. | Sashi Menon | 6-3 6-4 |