Houston 1981 ATP
Final
| Winner | Loser | Score | |
|---|---|---|---|
| Guillermo Vilas | d. | Sammy Giammalva Jr | 6-2 6-4 |
Semifinals
| Winner | Loser | Score | |
|---|---|---|---|
| Guillermo Vilas | d. | Victor Pecci | 6-1 6-3 |
| Sammy Giammalva Jr | d. | Bruce Manson | 6-7 6-4 6-3 |
Quarterfinals
| Winner | Loser | Score | |
|---|---|---|---|
| Guillermo Vilas | d. | Jose Higueras | 6-3 6-2 |
| Victor Pecci | d. | Harold Solomon | 6-3 6-1 |
| Sammy Giammalva Jr | d. | Eddie Dibbs | 4-6 7-5 7-6 |
| Bruce Manson | d. | Mel Purcell | 6-4 6-4 |
Round of 16
| Winner | Loser | Score | |
|---|---|---|---|
| Guillermo Vilas | d. | Jaime Fillol | 7-5 6-1 |
| Jose Higueras | d. | Richard Meyer | 3-6 7-6 6-4 |
| Harold Solomon | d. | Ben Mckown | 6-1 6-2 |
| Victor Pecci | d. | Ramesh Krishnan | 4-6 7-6 6-3 |
| Eddie Dibbs | d. | Rick Fagel | 6-3 3-6 6-4 |
| Sammy Giammalva Jr | d. | Terry Moor | 6-4 7-5 |
| Mel Purcell | d. | Mark Edmondson | 3-6 6-3 6-2 |
| Bruce Manson | d. | Paul Kronk | 6-3 7-5 |
Round of 32
| Winner | Loser | Score | |
|---|---|---|---|
| Guillermo Vilas | d. | Dick Stockton | 6-4 6-1 |
| Jaime Fillol | d. | Pablo Arraya | 6-4 6-4 |
| Richard Meyer | d. | Anand Amritraj | 5-7 7-5 6-1 |
| Jose Higueras | d. | Ferdi Taygan | 6-0 6-3 |
| Harold Solomon | d. | Andres Gomez | 6-1 6-3 |
| Ben Mckown | d. | Francisco Gonzalez | 6-4 6-4 |
| Victor Pecci | d. | Hank Pfister | 6-1 6-4 |
| Ramesh Krishnan | d. | Vijay Amritraj | 3-6 6-2 6-2 |
| Eddie Dibbs | d. | Tony Giammalva | 1-6 6-2 6-3 |
| Rick Fagel | d. | Sherwood Stewart | 6-2 6-2 |
| Sammy Giammalva Jr | d. | Nick Saviano | 7-6 6-2 |
| Terry Moor | d. | Johan Kriek | 6-3 6-4 |
| Mel Purcell | d. | Hans Gildemeister | 6-3 7-6 |
| Mark Edmondson | d. | Ricardo Ycaza | 6-1 6-2 |
| Paul Kronk | d. | Jose Lopez Maeso | 4-6 6-4 7-5 |
| Bruce Manson | d. | Jose Luis Clerc | 3-6 6-4 7-6 |