Prague2 CH 1989 ATP
Final
| Winner | Loser | Score | |
|---|---|---|---|
| Jaime Oncins | d. | Fernando Roese | 1-6 6-0 6-3 |
Semifinals
| Winner | Loser | Score | |
|---|---|---|---|
| Fernando Roese | d. | Mario Tabares | 6-3 6-4 |
| Jaime Oncins | d. | Christian Miniussi | 6-4 6-3 |
Quarterfinals
| Winner | Loser | Score | |
|---|---|---|---|
| Mario Tabares | d. | David Macpherson | 6-4 3-6 6-3 |
| Jaime Oncins | d. | Otavio Della | 6-4 6-4 |
| Fernando Roese | d. | Gabriel Markus | 3-6 6-4 7-6 |
| Christian Miniussi | d. | Nelson Aerts | 3-6 6-0 6-4 |
Round of 16
| Winner | Loser | Score | |
|---|---|---|---|
| Mario Tabares | d. | Felipe Rivera | 5-7 7-5 6-0 |
| Jaime Oncins | d. | Agustin Garizzio | 4-6 6-2 6-0 |
| David Macpherson | d. | Michele Fioroni | 2-6 6-3 6-4 |
| Otavio Della | d. | Joao Cunha Silva | 4-6 6-3 6-4 |
| Fernando Roese | d. | Mauricio Hadad | 4-6 6-1 6-2 |
| Nelson Aerts | d. | Alexandre Hocevar | 7-5 6-3 |
| Gabriel Markus | d. | Cary Cohenour | 7-5 6-3 |
| Christian Miniussi | d. | Joao Zwetsch | 6-2 4-6 7-6 |
Round of 32
| Winner | Loser | Score | |
|---|---|---|---|
| Joao Zwetsch | d. | Mauro Menezes | 6-1 6-2 |
| Felipe Rivera | d. | Jose Daher | 7-5 6-4 |
| David Macpherson | d. | Ricardo Camargo | 1-6 6-3 6-4 |
| Mauricio Hadad | d. | Rodrigo Barnabe | 6-2 6-4 |
| Agustin Garizzio | d. | Cristian Araya | 6-1 3-6 6-4 |
| Joao Cunha Silva | d. | Gerardo Mirad | 6-3 6-3 |
| Cary Cohenour | d. | William Kyriakos | 6-1 6-1 |
| Nelson Aerts | d. | Givaldo Barbosa | 6-1 5-7 6-0 |
| Otavio Della | d. | Ivan Kley | 1-6 6-3 6-3 |
| Mario Tabares | d. | Roberto Jabali | 6-2 7-6 |
| Fernando Roese | d. | Stefan Dallwitz | 6-3 7-6 |
| Alexandre Hocevar | d. | Julio Goes | 2-6 6-3 7-6 |
| Gabriel Markus | d. | Raul Ranzinger | 6-1 6-2 |
| Christian Miniussi | d. | Carlos Horta | 6-2 6-0 |
| Jaime Oncins | d. | Pedro Rebolledo | 6-2 1-6 6-1 |
| Michele Fioroni | d. | Danilo Marcelino | 6-4 6-3 |