Monterrey CH 1981 ATP
Final
| Winner | Loser | Score | |
|---|---|---|---|
| Johan Kriek | d. | Vitas Gerulaitis | 7-6 3-6 7-6 |
Semifinals
| Winner | Loser | Score | |
|---|---|---|---|
| Johan Kriek | d. | Vijay Amritraj | 6-1 6-2 |
| Vitas Gerulaitis | d. | Wojtek Fibak | 6-7 7-6 6-4 |
Quarterfinals
| Winner | Loser | Score | |
|---|---|---|---|
| Vijay Amritraj | d. | Bruce Manson | 7-5 6-4 |
| Johan Kriek | d. | Pascal Portes | 7-5 6-4 |
| Wojtek Fibak | d. | Raul Ramirez | 6-4 7-6 |
| Vitas Gerulaitis | d. | John Sadri | 6-7 6-2 6-3 |
Round of 16
| Winner | Loser | Score | |
|---|---|---|---|
| Bruce Manson | d. | Butch Walts | 7-6 5-7 7-5 |
| Vijay Amritraj | d. | Matthew McDonald | 6-1 6-2 |
| Johan Kriek | d. | Jan Norback | 2-6 7-6 6-2 |
| Pascal Portes | d. | Nick Saviano | 6-2 6-4 |
| Raul Ramirez | d. | Tony Giammalva | 7-6 3-6 6-3 |
| Wojtek Fibak | d. | Marty Riessen | DEF |
| John Sadri | d. | John Austin | 6-4 6-1 |
| Vitas Gerulaitis | d. | Sherwood Stewart | NA |
Round of 32
| Winner | Loser | Score | |
|---|---|---|---|
| Bruce Manson | d. | Guillermo Vilas | 7-6 6-4 |
| Butch Walts | d. | Pat Dupre | 4-6 6-1 6-3 |
| Matthew McDonald | d. | Christophe Roger Vasselin | 6-4 6-2 |
| Vijay Amritraj | d. | Jorge Lozano | 6-1 6-3 |
| Johan Kriek | d. | Bernard Mitton | 6-2 6-2 |
| Jan Norback | d. | Russell Simpson | 6-3 6-3 |
| Pascal Portes | d. | Buster C Mottram | 6-4 6-3 |
| Nick Saviano | d. | Bob Lutz | 3-6 6-4 7-5 |
| Raul Ramirez | d. | Richard Meyer | 6-4 6-2 |
| Tony Giammalva | d. | Wolfgang Popp | 6-4 6-4 |
| Marty Riessen | d. | Phil Dent | 7-6 6-7 6-3 |
| Wojtek Fibak | d. | Trey Waltke | 6-2 1-6 6-3 |
| John Sadri | d. | Tomas Smid | 7-6 6-7 6-2 |
| John Austin | d. | Peter Elter | 7-6 6-3 |
| Sherwood Stewart | d. | Robert Vant Hof | 6-1 6-3 |
| Vitas Gerulaitis | d. | Terry Moor | 6-2 6-4 |