date | Player 1 | sets | Played 2 | sets |
| Neale Andrew Fraser | AUS | 2 | 3-2 | Juan Manuel Couder | ESP | | 6-1 2-6 6-2 4-6 6-1 |
| Istvan Pecs Gulyas | HUN | | 3-0 | John Edward Barrett | GBR | | 7-5 6-2 6-0 |
| William Arthur (Billy) Knight | ENG | | 3-1 | Wilhelm Paul Bungert | FRG | | 6-8 6-2 6-3 6-2 |
| Jorgen Ulrich | DEN | | 3-0 | Ernesto Aguirre | CHI | | 6-4 6-2 6-4 |
| Franz Hainka | AUT | | w/o | Michael Grenfell (Mike) Davies | WLS | | walk over |
| Wolfgang Stuck | GER | | 3-1 | Sergio Tacchini | ITA | | 5-7 6-1 6-4 6-2 |
| Robert Haillet | FRA | 10 | 3-0 | Alan Abraham (Abe) Segal | ZAF | | 6-4 6-2 6-3 |
| Ronald Winston (Ronnie) Barnes | BRA | | 3-2 | Robert (Bob) Mark | AUS | | 4-6 2-6 6-3 6-2 6-3 |
| Andres Gimeno | ESP | | w/o | Wladyslaw Skonecki | POL | | walk over |
| Jose Edson Mandarino | BRA | | 3-0 | Kurt Nielsen | DEN | | 6-2 6-3 6-2 |
| Donald William (Don) Candy | AUS | | 2-0 | Jan Erik Lundquist | SWE | | 6-4 6-2 ret. |
| Lewis Albert (Lew) Gerrard | NZL | | 3-1 | Jean Claude Molinari | FRA | | 6-1 8-6 4-6 6-3 |
| Nicola Pietrangeli | ITA | 6 | 3-1 | Martin Frederick Mulligan | AUS | | 6-1 7-5 2-6 6-2 |
| Mario Llamas | MEX | | 3-0 | Jesse Edward (Budge) Patty | USA | | 7-5 6-2 6-2 |
| Gerard Pilet | FRA | | 3-0 | Ian Clyde Vermaak | ZAF | | 6-1 6-3 6-0 |
| Ingo D. Buding | FRG | | 3-0 | Robert Anthony John (Bob) Hewitt | ZAF | | 10-8 6-4 6-3 |
| Jean Noel Grinda | FRA | | 3-0 | Paul Jalabert | FRA | | 6-3 6-4 6-4 |
| Giuseppe (Beppe) Merlo | ITA | | 3-0 | Frederick Sidney (Fred) Stolle | AUS | | 6-4 7-5 9-7 |
| Luis Alberto Ayala | CHI | 5 | 3-0 | Eduardo Soriano | ARG | | 6-3 7-5 6-4 |
| Francisco (Pancho) Contreras | MEX | | 3-2 | William L. (Pato) (Bill) Alvarez | COL | | 0-6 6-2 6-2 2-6 6-2 |
| Jacques (Jackie) Brichant | BEL | | 3-0 | Jaroslav Drobny | ENG | | 6-3 6-2 7-5 |
| Manuel Martinez Santana | ESP | | 3-2 | Christian Kuhnke | GER | | 7-5 4-6 3-6 6-1 6-4 |
| Rodney George (Rod) Laver | AUS | | 3-2 | Andrzej Licis | POL | | 2-6 6-8 6-4 6-3 8-6 |
| Patricio H. Rodriguez | CHI | | 3-1 | Dieter Ecklebe | GER | | 6-2 6-1 5-7 6-2 |
| Pierre Darmon | FRA | | 3-0 | Ivo Ribeiro | BRA | | 6-2 6-2 6-2 |
| Orlando Sirola | ITA | | w/o | Torben Ulrich | DEN | | walk over |
| Roy Stanley Emerson | AUS | | 3-1 | Jose-Luis (Lis) Arilla | ESP | | 6-0 1-6 6-2 6-0 |
| Carlos Alberto Fernandes | BRA | | 3-1 | Ulf Christian Johan (Uffe) Schmidt | SWE | | 6-4 6-3 4-6 6-2 |
| Robert Keith (Bobby) Wilson | ENG | | w/o | Ladislav (Laci) Legenstein | AUT | | walk over |
| Bernard Boutboul | FRA | | w/o | Peter Scholl | GER | | walk over |
| Jiri Javorsky | TCH | | w/o | András Ádám-Stolpa | HUN | | walk over |
| Barry Bruce MacKay | USA | 1 | 3-0 | Wieslaw Gasiorek | POL | | 8-6 6-1 6-4 |
date | Player 1 | sets | Played 2 | sets |
| Donald William (Don) Candy | AUS | | 3-1 | Jack W. Frost | USA | | 1-6 6-2 6-4 8-6 |
| Lewis Albert (Lew) Gerrard | NZL | | 3-2 | A. Rodney Mandelstam | ZAF | | 7-5 2-6 0-6 10-8 6-3 |
| Jean Claude Molinari | FRA | | 3-0 | Sergei Likhachev | URS | | 6-2 6-0 6-2 |
| Nicola Pietrangeli | ITA | | 3-1 | Alain Bresson | FRA | | 6-2 3-6 6-4 6-3 |
| Martin Frederick Mulligan | AUS | | 3-0 | Roland Borghini | MCO | | 6-1 6-2 6-3 |
| Jesse Edward (Budge) Patty | USA | | 3-0 | Mark Anthony Otway | NZL | | 8-6 6-2 7-5 |
| Mario Llamas | MEX | | 3-0 | Patrick Chevret | FRA | | 6-2 6-3 7-5 |
| Gerard Pilet | FRA | | 3-0 | John F. O'Brien | AUS | | 7-5 6-2 6-4 |
| Ian Clyde Vermaak | ZAF | | 3-2 | Michael John (Mike) Sangster | ENG | | 1-6 10-12 6-1 6-3 6-1 |
| Ingo D. Buding | FRG | | 3-0 | Mikhail I. Mozer | URS | | 6-2 6-2 6-0 |
| Robert Anthony John (Bob) Hewitt | ZAF | | 3-0 | Roberto Aubone | ARG | | 9-7 6-2 6-4 |
| Paul Jalabert | FRA | | 3-2 | Barry Phillips-Moore | AUS | | 6-4 6-2 2-6 4-6 6-1 |
| Jean Noel Grinda | FRA | | 3-2 | Antonio R. (Tony) Palafox | MEX | | 6-2 6-1 3-6 4-6 6-3 |
| Frederick Sidney (Fred) Stolle | AUS | | w/o | Isias S. (Iyo) Pimentel | VEN | | walk over |
| Giuseppe (Beppe) Merlo | ITA | | 3-0 | Piet van Eijsden | NED | | 6-2 6-2 6-1 |
| Jiri Javorsky | TCH | | 3-2 | Warren W. Woodcock | AUS | | 6-3 4-6 4-6 6-3 6-1 |
| András Ádám-Stolpa | HUN | | w/o | Jean Pierre Froment | BEL | | walk over |
| Eduardo Soriano | ARG | | 3-0 | John J. Pearce | AUS | | 7-5 6-0 7-5 |
| Luis Alberto Ayala | CHI | | 3-1 | Gaetan Koenig | ZAF | | 6-2 6-4 4-6 6-3 |
| Francisco (Pancho) Contreras | MEX | | 3-0 | Robert Neville (Bob) Howe | AUS | | 6-1 6-4 6-3 |
| William L. (Pato) (Bill) Alvarez | COL | | w/o | Antonio Maggi | ITA | | walk over |
| Jaroslav Drobny | ENG | | 3-0 | Boro Jovanovic | YUG | | 6-1 6-2 6-4 |