# 2021 World Judo Championships – Men's 81 kg

The Men's 81 kg competition at the 2021 World Judo Championships was held on 9 June 2021.

## Results
### Finals

| Semi-finals | Semi-finals | Final | Final |
| Matthias Casse | 01 |
| Sharofiddin Boltaboev | 00 | | |
| Sharofiddin Boltaboev | 00 | Matthias Casse | 10 |
| | | Tato Grigalashvili | 00 |
| Tato Grigalashvili | 10 | Tato Grigalashvili | 00 |
| Frank de Wit | 00 | | |

### Repechage

| Repechage | Repechage | Third place | Third place |
| Sotaro Fujiwara | 01 |
| Saeid Mollaei | 00 | | |
| Saeid Mollaei | 00 | Sotaro Fujiwara | 00 |
| | | Frank de Wit | 10 |
| Repechage | Repechage | Third place | Third place |
| Sami Chouchi | 00 |
| Anri Egutidze | 10 | | |
| Anri Egutidze | 10 | Anri Egutidze | 01 |
| | | Sharofiddin Boltaboev | 00 |

### Pool A

| First round | First round | Second round | Second round | Third round | Third round | Fourth round | Fourth round | Quarterfinals | Quarterfinals |
| | | Matthias Casse | 10 | | | | |
| | | Hievorh Manukian | 00 | | | | |
| Antonio Esposito | 00 | Hievorh Manukian | 00 | | | | |
| Hievorh Manukian | 11 | | | | | | |
| Hievorh Manukian | 11 | | | Matthias Casse | 10 | | |
| | | | | Benedek Tóth | 00 | | |
| | | Cedrick Kalonga | 00 | | | | |
| | | Benedek Tóth | 10 | | | | |
| | | | | | | Matthias Casse | 10 |
| | | | | | | Eduardo Santos | 00 |
| | | Baker Al-Zidaneen | 00 | | | | |
| | | Eduardo Santos | 10 | | | | |
| | | | | Eduardo Santos | 01 | | |
| | | | | Lee Sung-ho | 00 | | |
| Lee Sung-ho | 10 | | | Lee Sung-ho | 00 | | |
| Sveinbjörn Iura | 00 | | | | | | |
| Sveinbjörn Iura | 00 | Lee Sung-ho | 10 | | | | |
| | | José Mendiola | 00 | | | | |
| | | | | | | | | Matthias Casse | 10 |
| | | | | | | | | Sotaro Fujiwara | 00 |
| | | Aslan Lappinagov | 10 | | | | | | |
| | | Emmanuel Lucenti | 00 | | | | | | |
| Tareq Jamal | 00 | Emmanuel Lucenti | 00 | | | | | | |
| Emmanuel Lucenti | 10 | | | | | | | | |
| Emmanuel Lucenti | 10 | | | Aslan Lappinagov | 10 | | | | |
| | | | | Luis Ángeles | 00 | | | | |
| | | Luis Ángeles | 01 | | | | | | |
| | | Oskari Mäkinen | 00 | | | | | | |
| | | | | | | Aslan Lappinagov | 00 | | |
| | | | | | | Sotaro Fujiwara | 10 |
| Lea-Victor Moutbeka | 00 | | | | | Sotaro Fujiwara | 10 |
| Jovan Niškanović | 01 | | | | | | |
| Jovan Niškanović | 01 | Jovan Niškanović | 10 | | | | |
| | | Yunus Bekmurzaev | 01 | | | | |
| | | | | Jovan Niškanović | 00 | | |
| | | | | Sotaro Fujiwara | 10 | | |
| | | Sotaro Fujiwara | 10 | | | | |
| | | Alexander Wieczerzak | 00 | | | | |

### Pool B

| First round | First round | Second round | Second round | Third round | Third round | Fourth round | Fourth round | Quarterfinals | Quarterfinals |
| | | Saeid Mollaei | 11 | | | | |
| | | Abdelrahman Mohamed | 00 | | | | |
| Abdelrahman Mohamed | 10 | Abdelrahman Mohamed | 00 | | | | |
| Nikola Gušić | 00 | | | | | | |
| Nikola Gušić | 00 | | | Saeid Mollaei | 10 | | |
| | | | | Din Gemer | 00 | | |
| | | Din Gemer | 10 | | | | |
| | | Athanasios Milonelis | 01 | | | | |
| | | | | | | Saeid Mollaei | 10 |
| | | | | | | Shamil Borchashvili | 00 |
| | | Shamil Borchashvili | 01 | | | | |
| | | Adam Kopecký | 00 | | | | |
| | | | | Shamil Borchashvili | 10 | | |
| | | | | Dorin Gotonoaga | 00 | | |
| | | Dorin Gotonoaga | 10 | | | | |
| | | Alex Bartó | 00 | | | | |
| | | | | | | | | Saeid Mollaei | 00 |
| | | | | | | | | Sharofiddin Boltaboev | 10 |
| | | Sharofiddin Boltaboev | 10 | | | | | | |
| | | Khalil Rebahi | 00 | | | | | | |
| | | | | Sharofiddin Boltaboev | 10 | | | | |
| | | | | Zelim Tckaev | 00 | | | | |
| Terence Kouamba | 00 | | | Zelim Tckaev | 00 | | | | |
| Zelim Tckaev | 10 | | | | | | | | |
| Zelim Tckaev | 10 | Zelim Tckaev | 10 | | | | | | |
| | | Fetra Ratsimiziva | 00 | | | | | | |
| | | | | | | Sharofiddin Boltaboev | 10 | | |
| | | | | | | Luka Maisuradze | 00 |
| | | Asad Masabirov | 00 | | | | |
| | | Etienne Briand | 01 | | | | |
| Etienne Briand | 10 | Etienne Briand | 01 | | | | |
| Alain Aprahamian | 00 | | | | | | |
| Alain Aprahamian | 00 | | | Etienne Briand | 00 | | |
| | | | | Luka Maisuradze | 10 | | |
| | | Luka Maisuradze | 10 | | | | |
| | | Arthur Wright | 00 | | | | |

### Pool C

| First round | First round | Second round | Second round | Third round | Third round | Fourth round | Fourth round | Quarterfinals | Quarterfinals |
| | | Tato Grigalashvili | 10 | | | | |
| | | Lee Moon-jin | 00 | | | | |
| Lee Moon-jin | 10 | Lee Moon-jin | 00 | | | | |
| Alpha Djalo | 01 | | | | | | |
| Alpha Djalo | 01 | | | Tato Grigalashvili | 01 | | |
| | | | | Robin Pacek | 00 | | |
| | | Joshter Andrew | 00 | | | | |
| | | Robin Pacek | 10 | | | | |
| | | | | | | Tato Grigalashvili | 10 |
| | | | | | | Alexios Ntanatsidis | 00 |
| | | Alexios Ntanatsidis | 10 | | | | |
| | | Akmal Murodov | 00 | | | | |
| | | | | Alexios Ntanatsidis | 10 | | |
| | | | | Vladimir Zoloev | 00 | | |
| | | Vladimir Zoloev | 10 | | | | |
| | | Nicholas Delpopolo | 00 | | | | |
| | | | | | | | | Tato Grigalashvili | 10 |
| | | | | | | | | Sami Chouchi | 00 |
| | | Ivaylo Ivanov | 10 | | | | | | |
| | | Didar Khamza | 01 | | | | | | |
| Didar Khamza | 10 | Didar Khamza | 01 | | | | | | |
| Nacif Elias | 00 | | | | | | | | |
| Nacif Elias | 00 | | | Ivaylo Ivanov | 10 | | | | |
| | | | | Murad Fatiyev | 00 | | | | |
| | | Elliott Connolly | 00 | | | | | | |
| | | Murad Fatiyev | 10 | | | | | | |
| | | | | | | Ivaylo Ivanov | 00 | | |
| | | | | | | Sami Chouchi | 01 |
| | | Adrián Gandía | 10 | | | | |
| | | Božidar Vučurević | 00 | | | | |
| | | | | Adrián Gandía | 00 | | |
| | | | | Sami Chouchi | 01 | | |
| Rodrigo Gamou | 01 | | | Sami Chouchi | 01 | | |
| Sami Chouchi | 10 | | | | | | |
| Sami Chouchi | 10 | Sami Chouchi | 10 | | | | |
| | | Abdullah Al-Khuzam | 00 | | | | |

### Pool D

| First round | First round | Second round | Second round | Third round | Third round | Fourth round | Fourth round | Quarterfinals | Quarterfinals |
| | | Frank de Wit | 10 | | | | |
| | | Zebeda Rekhviashvili | 00 | | | | |
| | | | | Frank de Wit | 01 | | |
| | | | | Achraf Moutii | 00 | | |
| | | Nikita Duinov | 00 | | | | |
| | | Achraf Moutii | 10 | | | | |
| | | | | | | Frank de Wit | 10 |
| | | | | | | Medickson del Orbe | 00 |
| Medickson del Orbe | 01 | | | | | Medickson del Orbe | 00 |
| Mohamed Abdelaal | 00 | | | | | | |
| Mohamed Abdelaal | 00 | Medickson del Orbe | 11 | | | | |
| | | Dominik Družeta | 01 | | | | |
| | | | | Medickson del Orbe | 01 | | |
| | | | | Khasan Khalmurzaev | 00 | | |
| | | Attila Ungvári | 00 | | | | |
| | | Khasan Khalmurzaev | 10 | | | | |
| | | | | | | | | Frank de Wit | 11 |
| | | | | | | | | Anri Egutidze | 00 |
| | | Dominic Ressel | 01 | | | | | | |
| | | Guilherme Schimidt | 00 | | | | | | |
| | | | | Dominic Ressel | 00 | | | | |
| | | | | Anri Egutidze | 10 | | | | |
| Nebojša Gardašević | 00 | | | Anri Egutidze | 10 | | | | |
| Anri Egutidze | 01 | | | | | | | | |
| Anri Egutidze | 01 | Anri Egutidze | 11 | | | | | | |
| | | Nicon Zaboroșciuc | 00 | | | | | | |
| | | | | | | Anri Egutidze | 10 | | |
| | | | | | | Alfonso Urquiza | 00 |
| | | Jaromír Musil | 00 | | | | |
| | | Alfonso Urquiza | 10 | | | | |
| | | | | Alfonso Urquiza | 10 | | |
| | | | | Muhammed Koç | 00 | | |
| | | Asa Weithers | 00 | | | | |
| | | Muhammed Koç | 10 | | | | |
| Muhammed Koç | 10 | Muhammed Koç | 10 | | | | |
| Alen Vučina | 01 | | | | | | |

## Prize money

The sums listed bring the total prizes awarded to 57,000€ for the individual event.
| Medal | Total | Judoka | Coach |
| Gold | 26,000€ | 20,800€ | 5,200€ |
| Silver | 15,000€ | 12,000€ | 3,000€ |
| Bronze | 8,000€ | 6,400€ | 1,600€ |