Tour · 1968-04-01 · draw of 32
San Juan 1968
HardFinal
| 🇬🇧 Mark Cox | d. | 🇺🇸 Allen Fox | 6-2 6-1 4-6 2-6 6-2 | H2H |
Semifinals
| 🇺🇸 Allen Fox | d. | 🇨🇿 Jan Kodes | 2-6 6-4 6-3 | H2H |
| 🇬🇧 Mark Cox | d. | 🇺🇸 Jim McManus | 3-6 7-5 7-5 | H2H |
Quarterfinals
| 🇺🇸 Jim McManus | d. | 🇺🇸 Ron Holmberg | 5-7 6-1 6-1 | H2H |
| 🇨🇿 Jan Kodes | d. | 🇭🇺 Istvan Gulyas | 6-4 6-3 | H2H |
| 🇺🇸 Allen Fox | d. | 🇭🇷 Zeljko Franulovic | 6-2 6-2 | H2H |
| 🇬🇧 Mark Cox | d. | 🇺🇸 Tom Edlefsen | 6-3 6-4 | H2H |
Round of 16
| 🇺🇸 Jim McManus | d. | 🇨🇿 Jan Kukal | 6-2 6-3 | H2H |
| 🇨🇿 Jan Kodes | d. | Richard Russell | 6-2 6-3 | H2H |
| 🇺🇸 Ron Holmberg | d. | 🇪🇸 Juan Gisbert Sr | 6-4 6-3 | H2H |
| 🇭🇺 Istvan Gulyas | d. | 🇺🇸 E. Victor Seixas | 9-7 6-1 | H2H |
| 🇭🇷 Zeljko Franulovic | d. | 🇬🇧 Michael Sangster | 2-6 6-0 6-3 | H2H |
| 🇺🇸 Allen Fox | d. | 🇷🇸 Boro Jovanovic | 8-10 6-4 6-1 | H2H |
| 🇺🇸 Tom Edlefsen | d. | 🇦🇺 Bill Bowrey | 6-4 6-1 | H2H |
| 🇬🇧 Mark Cox | d. | 🇺🇸 Herb Fitzgibbon | 12-10 8-6 | H2H |
Round of 32
| 🇺🇸 E. Victor Seixas | d. | Bobby Odasz | 6-1 6-1 | H2H |
| 🇬🇧 Michael Sangster | d. | 🇺🇸 Chauncey Steele III | 7-5 6-1 | H2H |
| Richard Russell | d. | 🇦🇺 Ray Ruffels | 8-6 6-4 | H2H |
| 🇺🇸 Jim McManus | d. | 🇪🇨 Miguel Olvera | 6-1 6-2 | H2H |
| 🇨🇿 Jan Kukal | d. | 🇪🇨 Pancho J.F. Guzman | 6-3 6-1 | H2H |
| 🇨🇿 Jan Kodes | d. | Freddie De Jesus | 6-2 6-1 | H2H |
| 🇷🇸 Boro Jovanovic | d. | 🇩🇪 Ingo Buding | 8-6 2-6 7-5 | H2H |
| 🇺🇸 Ron Holmberg | d. | 🇲🇽 Luis-Augusto Garcia | W/O | H2H |
| 🇭🇺 Istvan Gulyas | d. | 🇺🇸 Dick Dell | 6-2 6-1 | H2H |
| 🇪🇸 Juan Gisbert Sr | d. | 🇺🇸 Michael Green | 6-1 6-4 | H2H |
| 🇭🇷 Zeljko Franulovic | d. | 🇺🇸 Morton Stern | 6-2 6-2 | H2H |
| 🇺🇸 Allen Fox | d. | 🇨🇦 Mike Belkin | 6-1 6-3 | H2H |
| 🇺🇸 Herb Fitzgibbon | d. | 🇺🇸 Richard Browne | 6-0 6-0 | H2H |
| 🇺🇸 Tom Edlefsen | d. | 🇺🇸 Stanley Pasarell | 6-2 6-1 | H2H |
| 🇬🇧 Mark Cox | d. | 🇮🇱 Josef Stabholz | 6-1 6-2 | H2H |
| 🇦🇺 Bill Bowrey | d. | 🇺🇸 Victor Ebbessen | 6-2 6-0 | H2H |