| Venue: Carioca Arena (Hall 2) at Olympic Training Center, Barra da Tijuca (West Zone of Rio de Janeiro). | | Olympic Champion from 2012 Judo Men Under 90kg - Dae-nam Song (KOR). |
| | | time | Judoca 1 | score | Judoca 2 | | 1-:-- | Mashu Baker |  JPN | 001-000 | Varlam Liparteliani |  GEO |
| | | time | Judoca 1 | score | Judoca 2 | | 1-:-- | Gwak Dong-han |  KOR | 100-000 | Marcus Nyman |  SWE | | 1-:-- | Cheng Xunzhao |  CHN | 001-000 | Lkhagvasürengiin Otgonbaatar |  MGL |
| | | time | Judoca 1 | score | Judoca 2 | | 1-:-- | Mashu Baker | JPN | 100-000 | Cheng Xunzhao | CHN | | 1-:-- | Gwak Dong-han | KOR | 000-100 | Varlam Liparteliani | GEO |
| | | time | Judoca 1 | score | Judoca 2 | | 1-:-- | Alexandre Iddir |  FRA | 000-100 | Marcus Nyman | SWE | | 1-:-- | Mammadali Mehdiyev |  AZE | 000-001 | Lkhagvasürengiin Otgonbaatar | MGL |
| | | time | Judoca 1 | score | Judoca 2 | | 1-:-- | Mashu Baker | JPN | 100-000 | Alexandre Iddir | FRA | | 1-:-- | Mashu Baker | JPN | 100-000 | Aleksandar Kukolj |  SRB | | 1-:-- | Alexandre Iddir | FRA | 010-000 | Colton Brown |  USA | | 1-:-- | Mashu Baker | JPN | 100-000 | Marc Odenthal |  GER | | 1-:-- | Mihael Žgank |  SLO | 000-100 | Aleksandar Kukolj | SRB | | 1-:-- | Alexandre Iddir | FRA | 000-000 | Ciril Grossklaus |  SUI | | 1-:-- | Colton Brown | USA | 1000-000 | Iszlam Monier Suliman |  SUD |
| | | time | Judoca 1 | score | Judoca 2 | | 1-:-- | Cheng Xunzhao | CHN | 100-000 | Marcus Nyman | SWE | | 1-:-- | Krisztián Tóth |  HUN | 000-100 | Cheng Xunzhao | CHN | | 1-:-- | Marcus Nyman | SWE | 100-000 | Celtus Dossou Yovo |  BEN | | 1-:-- | Krisztián Tóth | HUN | 100-000 | Kiplangat Sang |  KEN | | 1-:-- | Ilias Iliadis |  GRE | 000-100 | Cheng Xunzhao | CHN | | 1-:-- | Marcus Nyman | SWE | 101-001 | Sherali Juraev |  UZB | | 1-:-- | Celtus Dossou Yovo | BEN | 100-001 | Célio Dias |  POR | | 1-:-- | Sherali Juraev | UZB | 000-000 | Abderahmane Benamadi |  ALG |
| | | time | Judoca 1 | score | Judoca 2 | | 1-:-- | Gwak Dong-han | KOR | 100-000 | Mammadali Mehdiyev | AZE | | 1-:-- | Gwak Dong-han | KOR | 100-000 | Popole Misenga |  ROT | | 1-:-- | Mammadali Mehdiyev | AZE | 011-001 | Tiago Camilo |  BRA | | 1-:-- | Gwak Dong-han | KOR | 100-000 | Thomas Briceño |  CHI | | 1-:-- | Avtar Singh |  IND | 000-001 | Popole Misenga | ROT | | 1-:-- | Kirill Denisov |  RUS | 000-100 | Mammadali Mehdiyev | AZE | | 1-:-- | Zack Piontek |  RSA | 000-101 | Tiago Camilo | BRA | | 1-:-- | Ibrahim Khalaf |  JOR | 000-011 | Thomas Briceño | CHI |
| | | time | Judoca 1 | score | Judoca 2 | | 1-:-- | Varlam Liparteliani | GEO | 000-000 | Lkhagvasürengiin Otgonbaatar | MGL | | 1-:-- | Varlam Liparteliani | GEO | 100-000 | Ovini Uera |  NRU | | 1-:-- | Lkhagvasürengiin Otgonbaatar | MGL | 100-000 | Asley González |  CUB | | 1-:-- | Varlam Liparteliani | GEO | 100-000 | Komronshokh Ustopiriyon |  TJK | | 1-:-- | Ovini Uera | NRU | 100-000 | Renick James |  BIZ | | 1-:-- | Noël van 't End |  NED | 000-100 | Lkhagvasürengiin Otgonbaatar | MGL | | 1-:-- | Asley González | CUB | 101-000 | Quedjau Nhabali |  UKR | | 1-:-- | Martín Michel |  BOL | 000-110 | Asley González | CUB |
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| Pool A | | Mashu Baker | JPN | | Marc Odenthal | GER | | Mihael Žgank | SLO | | Aleksandar Kukolj | SRB | | Alexandre Iddir | FRA | | Ciril Grossklaus | SUI | | Colton Brown | USA | | Iszlam Monier Suliman | SUD |
| Pool B | | Krisztián Tóth | HUN | | Kiplangat Sang | KEN | | Ilias Iliadis | GRE | | Cheng Xunzhao | CHN | | Marcus Nyman | SWE | | -- Sherali Juraev | UZB | | -- Abderahmane Benamadi | ALG | | Celtus Dossou Yovo | BEN | | Célio Dias | POR |
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| Pool C | | Gwak Dong-han | KOR | | -- Ibrahim Khalaf | JOR | | -- Thomas Briceño | CHI | | Avtar Singh | IND | | Popole Misenga | ROT | | Kirill Denisov | RUS | | Mammadali Mehdiyev | AZE | | Zack Piontek | RSA | | Tiago Camilo | BRA |
| Pool D | | Varlam Liparteliani | GEO | | Komronshokh Ustopiriyon | TJK | | Ovini Uera | NRU | | Renick James | BIZ | | Noël van 't End | NED | | Otgonbaataryn Lkhagvasuren | MGL | | -- Martín Michel | BOL | | -- Asley González | CUB | | Quedjau Nhabali | UKR |
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| | | 32 Quotas - Individual. Through IJF World Ranking List (as of May 30,2016). |
| Total - 35 Judocas. | | Host nation 1 | | --. Tiago Camilo |  Brazil | | IJF World Ranking List (as of May 30, 2016) - 22 | | --. Mashu Baker |  Japan | | --. Gwak Dong-han |  South Korea | | --. Varlam Liparteliani |  Georgia | | --. Krisztián Tóth |  Hungary | | --. Marcus Nyman |  Sweden | | --. Noël van 't End |  Netherlands | | --. Kirill Denisov |  Russia | | --. Alexandre Iddir |  France | | --. Otgonbaataryn Lkhagvasuren |  Mongolia | | --. Komronshokh Ustopiriyon |  Tajikistan | | --. Asley González |  Cuba | | --. Aleksandar Kukolj |  Serbia | | --. Ilias Iliadis |  Greece | | --. Abderahmane Benamadi |  Algeria | | --. Mihael Žgank |  Slovenia | | --. Dias Célio |  Portugal | | --. Ciril Grossklaus |  Switzerland | | --. Zack Piontek |  South Africa | | --. Cheng Xunzhao |  China | | --. Mammadali Mehdiyev |  Azerbaijan | | --. Colton Brown |  United States | | --. Sherali Juraev |  Uzbekistan | | Additional places (Europe) - 2 | | --. Marc Odenthal |  Germany | | --. Quedjau Nhabali |  Ukraine | | Additional places (Africa) - 2 | | --. Kiplangat Sang |  Kenya | | --. Celtus Dossou Yovo |  Benin | | Additional places (America) - 2 | | --. Thomas Briceño |  Chile | | --. Martin Michel |  Bolivia | | Additional places (Asia) - 2 | | --. Ibrahim Khalaf |  Jordan | | --. Avtar Singh |  India | | Additional places (Oceania) - 1 | | --. Ovini Uera |  Nauru | | Invitational - 3 | | --. Popole Misenga |  Refugee | | --. Renick James |  Belize | | --. Iszlam Monier Suliman |  Sudan |
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