Slovakian Grand Prix - Nitra, Czechoslovakia - April 1977
Winners:
| 51kg | Matta | CZE |
| 54kg | Janusz Misiak | POL |
| 57kg | Kunzl | GDR |
| 63,5kg | Gheorghe Simion | ROM |
| 67kg | Ryszard Tałaj | POL |
| 71kg | Zdzisław Gołębiewski | POL |
| 75kg | Alexandru Mircea | ROM |
| 81kg | Kohuz | CZE |
| +81kg | Roland Koeber | GDR |