| Giuseppe Merlo - Juan Gisbert | 11-9 7-9 6-1 |
| Jean Pierre Courcol - Mennella | 6-3 2-6 6-1 |
| Terry Addison - Franco Bartoni | 7-5 7-5 |
| R Keldie - Onny Parun | 6-4 7-5 |
| Vittorio Crotta - Jean Baptiste Chanfreau | 6-3 10-8 |
| S Koudelka - M Pirro | 6-4 6-0 |
| Allan Stone - Giorgio Bologna | 6-3 6-0 |
| John Cooper - M Gilardelli | 6-4 6-1 |
| J Rouyer - Ezio Di Matteo | 6-4 6-3 |
| Adriano Panatta - W N'Godrella | 6-3 6-4 |
| P Pokorny - P Marzano | 6-2 5-7 6-1 |
| P Proisy - Paolo Bertolucci | 6-3 8-6 |
| Patrice Beust - Giovanni Palmieri | 6-2 6-4 |
| V Korotkov - Peter Curtis | 6-3 6-2 |
| E Drossart - M Di Domenico | 8-6 6-4 |
| Nikola Spear - V Egorov | 6-4 4-6 7-5 |
| B Paul - Piero Toci | 6-8 6-4 6-1 |
| John Newcombe (2) - S Koudelka | 6-3 6-2 |
| Daniel Contet - Allan Stone | 7-5 6-3 |
| Ingo Buding - Cliff Richey (15) | w. o. |
| Gerald Battrick - Giuseppe Merlo | 6-1 6-3 |
| Martin Mulligan (7) - Francois Jauffret | 6-2 7-5 |
| Terry Addison - Eugenio Castigliano | 7-5 6-2 |
| Nikki Pilic (10) - Franco Belli | 8-6 6-2 |
| T Lejus - P Pokorny | 6-2 6-2 |
| Arthur Ashe (3) - P Proisy | 6-1 6-3 |
| Boro Jovanovic - R Keldie | 6-3 6-1 |
| Jan Kodes - Roger Taylor (14) | 6-3 3-6 6-2 |
| Nicola Pietrangeli - Jean Pierre Courcol | 6-4 9-7 |
| Marty Riessen (6) - John Cooper | 6-8 6-2 6-2 |
| Ismail El Shafei - G Goven | 6-3 3-6 6-1 |
| Pierre Barthes - Alex Metreveli (11) | 6-4 6-8 6-3 |
| Dick Crealy - Juan Gisbert | 6-2 4-6 5-5 |
| C Kuhnke - B Paul | 7-5 6-0 |
| Fred Stolle (12) - S Likhatchev | 6-3 7-5 |
| Graham Stilwell - Franco Bartoni | 6-4 6-2 |
| Manolo Santana (5) - Vittorio Crotta | 6-2 6-3 |
| B Phillips Moore - G Di Maso | 6-4 6-1 |
| Ion Tiriac (13) - R Moore | 6-1 7-5 |
| J Rouyer - Zeljko Franulovic | 6-3 2-6 6-4 |
| Tom Okker (4) - B Fairlie | 10-8 7-5 |
| O Davidson - I Gulyas | 7-5 0-6 6-3 |
| V Korotkov - Charlie Pasarell (9) | 12-11 2-6 6-4 |
| Manuel Orantes - Adriano Panatta | 6-2 6-4 |
| Cliff Drysdale (8) - Bob Giltinan | 2-6 6-3 6-3 |
| Patrice Beust - M Holecek | 6-2 6-4 |
| Ilie Nastase (16) - E Drossart | 6-4 7-5 |
| N Kalogeropoulos - P Rodriguez | 6-4 6-4 |
| Tony Roche (1) - Nikola Spear | 6-0 6-2 |
| John Newcombe (2) - Daniel Contet | 6-1 3-6 6-2 6-1 |
| Gerald Battrick - Ingo Buding | 6-3 4-6 3-6 6-3 6-1 |
| Martin Mulligan (7) - Terry Addison | 6-2 9-7 6-8 3-6 6-1 |
| T Lejus - Nikki Pilic (10) | 6-4 3-6 8-6 1-6 6-3 |
| Arthur Ashe (3) - Boro Jovanovic | 4-6 3-6 6-4 7-6 6-2 |
| Jan Kodes - Nicola Pietrangeli | 4-6 4-6 6-3 7-5 6-2 |
| Ismail El Shafei - Marty Riessen (6) | 2-6 6-2 6-4 1-6 6-4 |
| Dick Crealy - Pierre Barthes | 6-4 6-4 6-4 |
| Fred Stolle (12) - C Kuhnke | 6-4 6-2 3-6 6-2 |
| Graham Stilwell - Manolo Santana (5) | 6-3 6-3 7-4 |
| Ion Tiriac (13) - B Phillips Moore | 7-5 6-4 6-1 |
| Tom Okker (4) - J Rouyer | 4-6 6-3 6-4 5-7 7-5 |
| V Korotkov - O Davidson | 6-3 6-4 5-7 6-3 |
| Cliff Drysdale (8) - Manuel Orantes | 6-4 7-5 1-6 6-4 |
| Ilie Nastase (16) - Patrice Beust | 6-2 6-1 8-6 |
| Tony Roche (1) - N Kalogeropoulos | 6-3 8-6 6-2 |