The Soviet Union prevail at the top of the medal table for the second successive Games at Tokyo 1964, winning four gold medals through bantamweight Aleksey Vakhonin, light heavyweight Rudolf Plyukfelder, middle-heavyweight Vladimir Golovanov and heavyweight Leonid Zhabotinsky.

Yoshinobu Miyake of hosts Japan wins the first of his back-to-back Olympic titles at under-60 kilograms.

One men's event is eliminated from the programme at Tokyo 2020, bringing the total number of competitions down to 14.

China win a huge seven gold medals to top the pile for the sixth consecutive Games, as no other country manages more than one.

Lü Xiaojun wins his third consecutive Olympic title in the men's under-81kg.

Shi Zhiyong adds to his gold from Rio 2016 in the men's under-73kg and Lasha Talakhadze of Georgia defends his super heavyweight title.