Guadalajara CH 1978 ATP
Final
| Winner | Loser | Score | |
|---|---|---|---|
| Gene Mayer | d. | John Newcombe | 6-3 6-4 |
Semifinals
| Winner | Loser | Score | |
|---|---|---|---|
| Gene Mayer | d. | Sandy Mayer | 6-4 6-4 |
| John Newcombe | d. | Ricardo Ycaza | 3-6 7-6 7-6 |
Quarterfinals
| Winner | Loser | Score | |
|---|---|---|---|
| Sandy Mayer | d. | George Hardie | 3-6 7-6 6-4 |
| Gene Mayer | d. | Marcello Lara | 6-2 6-2 |
| Ricardo Ycaza | d. | Ray Ruffels | 6-2 6-3 |
| John Newcombe | d. | Sherwood Stewart | 2-6 7-6 6-3 |
Round of 16
| Winner | Loser | Score | |
|---|---|---|---|
| Sandy Mayer | d. | Ferdi Taygan | 6-3 6-2 |
| George Hardie | d. | Sashi Menon | 3-6 7-6 6-4 |
| Gene Mayer | d. | Butch Walts | 6-1 6-0 |
| Marcello Lara | d. | Erik Van Dillen | 6-2 6-2 |
| Ray Ruffels | d. | Woody Blocher | 6-2 6-1 |
| Ricardo Ycaza | d. | Pat Dupre | 6-4 4-6 7-5 |
| Sherwood Stewart | d. | Paul Kronk | 7-6 5-7 6-3 |
| John Newcombe | d. | Russell Simpson | 7-5 6-4 |
Round of 32
| Winner | Loser | Score | |
|---|---|---|---|
| Sandy Mayer | d. | John James | 5-7 6-4 6-1 |
| Ferdi Taygan | d. | Trey Waltke | 0-6 6-3 6-4 |
| Sashi Menon | d. | Rick Fisher | 7-5 6-7 6-2 |
| George Hardie | d. | Octavio Martinez | 6-2 6-4 |
| Butch Walts | d. | Carlos Kirmayr | 6-2 6-3 |
| Gene Mayer | d. | Dick Bohrnstedt | 6-2 6-0 |
| Erik Van Dillen | d. | Roberto Chavez | 6-3 7-6 |
| Marcello Lara | d. | Greg Halder | 6-2 6-2 |
| Ray Ruffels | d. | Van Winitsky | 6-4 6-3 |
| Woody Blocher | d. | Steve Krulevitz | 6-4 6-1 |
| Ricardo Ycaza | d. | Peter Pearson | 6-2 6-4 |
| Pat Dupre | d. | Steve Docherty | 6-4 3-6 6-2 |
| Sherwood Stewart | d. | A Marquez | 6-2 6-1 |
| Paul Kronk | d. | John Feaver | 6-4 7-6 |
| Russell Simpson | d. | Bill Lloyd | 6-4 6-1 |
| John Newcombe | d. | Richard Lewis | 6-3 6-1 |