6.Grand Prix Tournament
Zimni Stadion, Usti nad Labem, Czechoslovakia
May 1-3, 1975
Quarterfinals
| 1975-05-01 | 54kg | Uwe Salvers | GDR | Miroslav Vrba | CZE | 4:1 |
| 1975-05-01 | 54kg | Olaf Bonke | GDR | Tadeusz Fieske | POL | RSC 3 |
| 1975-05-01 | 57kg | Tibor Stojka | CZE | Jozsef Jakab | HUN | PTS |
| 1975-05-01 | 57kg | Mikołaj Nos | POL | Alexandru Barbu | ROM | 3:2 |
| 1975-05-01 | 57kg | Christian Zornow | GDR | Klaus-Peter Kapluschinski | GDR | 5:0 |
| 1975-05-01 | 60kg | Karel Kaspar | CZE | Adrian Turcitu | ROM | PTS |
| 1975-05-01 | 60kg | Andrzej Harmata | POL | Otto Ramin | GDR | 3:2 |
| 1975-05-01 | 60kg | Ladislav Kepic | CZE | Frąckowiak | POL | RSC 2 |
| 1975-05-01 | 63,5kg | A.Taras | ROM | Miroslav Fiala | CZE | RSC 1 |
| 1975-05-01 | 63,5kg | Mihaly Jambrik | HUN | Arnost Russ | CZE | 3:2 |
| 1975-05-01 | 67kg | Karl Torbahn | GDR | Tadeusz Jończyk | POL | RSC 1 |
| 1975-05-01 | 71kg | Damian Cimpoiesu | ROM | Attila Voros | HUN | PTS |
| 1975-05-01 | 71kg | Wolfgang Heimann | GDR | Judycki | POL | KO 1 |
| 1975-05-01 | 71kg | Krzysztof Cichosz | POL | Klaus Schwerdtner | GDR | 4:1 |
| 1975-05-01 | 71kg | Aleksander Łakomy | POL | Karl-Heinz Bohn | GDR | 3:2 |
| 1975-05-01 | 75kg | Marek Guzielak | POL | Karoly Goetz | HUN | PTS |
| 1975-05-01 | 75kg | Ralf Nebrig | GDR | Simon | ROM | RSC 3 |
| 1975-05-01 | 75kg | Nicolae Nicolaev | ROM | Andrzej Kabarowski | POL | RSC 2 |
| 1975-05-01 | 75kg | Piotr Majchrzak | POL | Rudolf Kober | HUN | RSC 3 |
| 1975-05-01 | 81kg | Aleksander Nieścieruk | POL | Lajos Fekete | HUN | 3:2 |
| 1975-05-01 | 81kg | Jiri Masin | CZE | M.Biernacki | POL | RSC 3 |
| 1975-05-01 | +81kg | Ladislav Resl | CZE | Tadeusz Bieniek | POL | PTS |
| 1975-05-01 | +81kg | Istvan Edoecs | HUN | Wolfgang Warnke | GDR | PTS |
according to "Pruboj" Bonke beat Fieske by DQ, Cimpoiesu beat Voros by KO, Masin beat Biernacki by DQ
Semifinals
| 1975-05-02 | 51kg | Dumitru Negru | ROM | Jan Benko | CZE | KO 2 |
| 1975-05-02 | 51kg | Peter Gluck | HUN | Codreanu | ROM | RSC 1 |
| 1975-05-02 | 54kg | Jozsef Tezsla | HUN | Emil Florek | CZE | PTS |
| 1975-05-02 | 54kg | Uwe Salvers | GDR | Olaf Bonke | GDR | 3:2 |
| 1975-05-02 | 57kg | Tibor Stojka | CZE | Ion Donose | ROM | PTS |
| 1975-05-02 | 57kg | Christian Zornow | GDR | Mikołaj Nos | POL | WO. |
| 1975-05-02 | 60kg | Karel Kaspar | CZE | Andrzej Kędzierski | POL | RSC 3 |
| 1975-05-02 | 60kg | Ladislav Kepic | CZE | Andrzej Harmata | POL | PTS |
| 1975-05-02 | 63,5kg | Reinhard Kruse | GDR | Andrzej Misiak | POL | PTS |
| 1975-05-02 | 63,5kg | A.Taras | ROM | Mihaly Jambrik | HUN | RSC 1 |
| 1975-05-02 | 67kg | Bogdan Adamczak | POL | Szabo | HUN | RSC 1 |
| 1975-05-02 | 67kg | Miroslav Valtyr | CZE | Karl Torbahn | GDR | 5:0 |
| 1975-05-02 | 71kg | Damian Cimpoiesu | ROM | Wolfgang Heimann | GDR | 5:0 |
| 1975-05-02 | 71kg | Krzysztof Cichosz | POL | Aleksander Łakomy | POL | PTS |
| 1975-05-02 | 75kg | Marek Guzielak | POL | Ralf Nebrig | GDR | 4:1 |
| 1975-05-02 | 75kg | Nicolae Nicolaev | ROM | Piotr Majchrzak | POL | AB 1 |
| 1975-05-02 | 81kg | Ion Peter | ROM | Siegert | GDR | RSC 1 |
| 1975-05-02 | 81kg | Jiri Masin | CZE | Aleksander Nieścieruk | POL | PTS |
| 1975-05-02 | +81kg | Hartmut Klemstein | GDR | Anghel Iancu | ROM | 3:2 |
| 1975-05-02 | +81kg | Ladislav Resl | CZE | Istvan Edoecs | HUN | PTS |
according to "Pruboj" Taras beat Jambrik by WO
Finals
| 1975-05-03 | 51kg | Peter Gluck | HUN | Dumitru Negru | ROM | 5:0 |
| 1975-05-03 | 54kg | Jozsef Tezsla | HUN | Uwe Salvers | GDR | 5:0 |
| 1975-05-03 | 57kg | Christian Zornow | GDR | Tibor Stojka | CZE | 5:0 |
| 1975-05-03 | 60kg | Karel Kaspar | CZE | Ladislav Kepic | CZE | AB 1 |
| 1975-05-03 | 63,5kg | Reinhard Kruse | GDR | A.Taras | ROM | RSC 2 |
| 1975-05-03 | 67kg | Miroslav Valtyr | CZE | Bogdan Adamczak | POL | 4:1 |
| 1975-05-03 | 71kg | Damian Cimpoiesu | ROM | Krzysztof Cichosz | POL | WO. |
| 1975-05-03 | 75kg | Marek Guzielak | POL | Nicolae Nicolaev | ROM | 4:1 |
| 1975-05-03 | 81kg | Ion Peter | ROM | Jiri Masin | CZE | RSC 1 |
| 1975-05-03 | +81kg | Ladislav Resl | CZE | Hartmut Klemstein | GDR | 3:2 |
sources:
"Pruboj" no 103 - May 4, 1965 (page 8)
"Boxring" no 7/1975 (page 11)