San Luis Potosi CH 1989 ATP
Final
| Winner | Loser | Score | |
|---|---|---|---|
| Jorge Lozano | d. | Peter Doohan | 6-4 6-4 |
Semifinals
| Winner | Loser | Score | |
|---|---|---|---|
| Peter Doohan | d. | Stefan Dallwitz | 6-1 7-6 |
| Jorge Lozano | d. | Bruce Man Son Hing | 3-6 6-4 6-3 |
Quarterfinals
| Winner | Loser | Score | |
|---|---|---|---|
| Stefan Dallwitz | d. | Roberto Lopez | 7-6 6-2 |
| Bruce Man Son Hing | d. | Agustin Moreno | 6-3 6-4 |
| Peter Doohan | d. | Laneal Vaughn | 6-4 6-3 |
| Jorge Lozano | d. | Julian Barham | 6-3 4-6 7-6 |
Round of 16
| Winner | Loser | Score | |
|---|---|---|---|
| Laneal Vaughn | d. | Bertrand Lacombe | 7-6 6-1 |
| Roberto Lopez | d. | Fredrik Nilsson | 6-3 2-6 7-5 |
| Stefan Dallwitz | d. | Mark Knowles | 1-6 6-3 6-2 |
| Julian Barham | d. | Luis Herrera | 4-6 6-2 6-3 |
| Bruce Man Son Hing | d. | Brian Page | 6-4 6-2 |
| Agustin Moreno | d. | Norberto Mantinan | 6-4 6-4 |
| Peter Doohan | d. | Mark Ozer | 6-4 6-4 |
| Jorge Lozano | d. | Jeff Klaparda | 7-6 6-4 |
Round of 32
| Winner | Loser | Score | |
|---|---|---|---|
| Laneal Vaughn | d. | Pedro Alatorre | 7-5 7-5 |
| Mark Ozer | d. | Joel Figueras | 6-4 7-6 |
| Norberto Mantinan | d. | Oliver Fernandez | 7-5 6-7 6-4 |
| Bruce Man Son Hing | d. | Farouk Marcos | 6-4 6-0 |
| Roberto Lopez | d. | Maurice Ruah | 6-2 6-2 |
| Bertrand Lacombe | d. | Eric Riley | 6-4 6-7 7-6 |
| Jeff Klaparda | d. | Jose Enrique Hernandez | 7-6 5-7 7-6 |
| Stefan Dallwitz | d. | Joe De Foor | 3-6 7-6 6-4 |
| Julian Barham | d. | Patricio Quijano | 6-1 6-2 |
| Luis Herrera | d. | Gary Donnelly | 6-4 4-6 6-2 |
| Brian Page | d. | Kevin Lubbers | 6-4 7-6 |
| Fredrik Nilsson | d. | Young Min Kwon | 7-6 6-4 |
| Mark Knowles | d. | David Macpherson | 6-4 6-4 |
| Agustin Moreno | d. | Fernando Perez Pascal | 6-2 7-5 |
| Peter Doohan | d. | Phillipe Ventura | 6-1 6-2 |
| Jorge Lozano | d. | Jorg Muller | 6-3 6-4 |
Data: Jeff Sackmann / Tennis Abstract — CC BY-NC-SA 4.0