Tour · 1978-04-10 · draw of 32
Guadalajara 1978
ClayFinal
| 🇺🇸 Gene Mayer | d. | 🇦🇺 John Newcombe | 6-3 6-4 | H2H |
Semifinals
| 🇦🇺 John Newcombe | d. | 🇪🇨 Ricardo Ycaza | 3-6 7-6 7-6 | H2H |
| 🇺🇸 Gene Mayer | d. | 🇺🇸 Sandy Mayer | 6-4 6-4 | H2H |
Quarterfinals
| 🇪🇨 Ricardo Ycaza | d. | 🇦🇺 Ray Ruffels | 6-2 6-3 | H2H |
| 🇺🇸 Gene Mayer | d. | 🇲🇽 Marcelo Lara | 6-2 6-2 | H2H |
| 🇦🇺 John Newcombe | d. | 🇺🇸 Sherwood Stewart | 2-6 7-6 6-3 | H2H |
| 🇺🇸 Sandy Mayer | d. | 🇺🇸 George Hardie | 3-6 7-6 6-4 | H2H |
Round of 16
| 🇦🇺 Ray Ruffels | d. | 🇺🇸 Woody Blocher | 6-2 6-1 | H2H |
| 🇲🇽 Marcelo Lara | d. | 🇺🇸 Erik Van Dillen | 6-2 6-2 | H2H |
| 🇺🇸 George Hardie | d. | 🇮🇳 Sashi Menon | 3-6 7-6 6-4 | H2H |
| 🇺🇸 Sherwood Stewart | d. | 🇦🇺 Paul Kronk | 7-6 5-7 6-3 | H2H |
| 🇪🇨 Ricardo Ycaza | d. | 🇺🇸 Pat Dupre | 6-4 4-6 7-5 | H2H |
| 🇺🇸 Gene Mayer | d. | 🇺🇸 Butch Walts | 6-1 6-0 | H2H |
| 🇦🇺 John Newcombe | d. | 🇳🇿 Russell Simpson | 7-5 6-4 | H2H |
| 🇺🇸 Sandy Mayer | d. | 🇺🇸 Ferdi Taygan | 6-3 6-2 | H2H |
Round of 32
| 🇪🇨 Ricardo Ycaza | d. | 🇺🇸 Peter Pearson | 6-2 6-4 | H2H |
| 🇺🇸 Erik Van Dillen | d. | 🇲🇽 Roberto Chavez | 6-3 7-6 | H2H |
| 🇺🇸 Ferdi Taygan | d. | 🇺🇸 Trey Waltke | 0-6 6-3 6-4 | H2H |
| 🇳🇿 Russell Simpson | d. | 🇦🇺 William Lloyd | 6-4 6-1 | H2H |
| 🇮🇳 Sashi Menon | d. | 🇺🇸 Rick Fisher | 7-5 6-7 6-2 | H2H |
| 🇺🇸 Gene Mayer | d. | 🇺🇸 Dick R. Bohrnstedt | 6-2 6-0 | H2H |
| 🇦🇺 Paul Kronk | d. | 🇬🇧 John Feaver | 6-4 7-6 | H2H |
| 🇺🇸 Woody Blocher | d. | 🇺🇸 Steve Krulevitz | 6-4 6-1 | H2H |
| 🇦🇺 Ray Ruffels | d. | 🇺🇸 Van Winitsky | 6-4 6-3 | H2H |
| 🇲🇽 Marcelo Lara | d. | 🇨🇦 Greg Halder | 6-2 6-2 | H2H |
| 🇺🇸 George Hardie | d. | 🇲🇽 Octavio Martinez | 6-2 6-4 | H2H |
| 🇺🇸 Sherwood Stewart | d. | 🇲🇽 A. Marquez | 6-2 6-1 | H2H |
| 🇺🇸 Pat Dupre | d. | 🇦🇺 Steve Docherty | 6-4 3-6 6-2 | H2H |
| 🇺🇸 Butch Walts | d. | 🇧🇷 Carlos Kirmayr | 6-2 6-3 | H2H |
| 🇦🇺 John Newcombe | d. | 🇬🇧 Richard Lewis | 6-3 6-1 | H2H |
| 🇺🇸 Sandy Mayer | d. | 🇦🇺 John James | 5-7 6-4 6-1 | H2H |