| 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 |
