Gold medallist Akira Sone of Japan poses after winning the over-78kg category ©Getty Images

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Akira Sone defeated double world champion and former Olympic gold medallist Idalys Ortiz in the final ©Getty Images
Akira Sone defeated double world champion and former Olympic gold medallist Idalys Ortiz in the final ©Getty Images
The 19-year-old showed energy and persistence to claim a home gold medal ©Getty Images
The 19-year-old showed energy and persistence to claim a home gold medal ©Getty Images
Lukáš Krpálek celebrates after claiming victory in the over-100kg final ©Getty Images
Lukáš Krpálek celebrates after claiming victory in the over-100kg final ©Getty Images
The 28-year-old won his second world title ©Getty Images
The 28-year-old won his second world title ©Getty Images
Krpálek celebrates with the huge group of Czech supporters in the stadium ©Getty Images
Krpálek celebrates with the huge group of Czech supporters in the stadium ©Getty Images
Reigning world champion and top seed Guram Tushishvili of Georgia had looked in strong form but missed out on the medals ©Getty Images
Reigning world champion and top seed Guram Tushishvili of Georgia had looked in strong form but missed out on the medals ©Getty Images
Roy Meyer of the Netherlands does the splits after earning bronze ©Getty Images
Roy Meyer of the Netherlands does the splits after earning bronze ©Getty Images
Sarah Asahina was in tears after winning a medal in her home city of Tokyo ©Getty Images
Sarah Asahina was in tears after winning a medal in her home city of Tokyo ©Getty Images
Brazil's Beatriz Souza suffered an injury mid-fight during her bronze-medal bout ©Getty Images
Brazil's Beatriz Souza suffered an injury mid-fight during her bronze-medal bout ©Getty Images