# 2021 AIBA World Boxing Championships – Welterweight

The Welterweight competition at the 2021 AIBA World Boxing Championships was held from 25 October to 5 November 2021.

## Results
### Finals

| Semifinals | Semifinals | Final | Final |
| Sewon Okazawa | 4 |
| Ablaikhan Zhussupov | 1 | | |
| Ablaikhan Zhussupov | 1 | Sewon Okazawa | 3 |
| | | Omari Jones | 2 |
| Lasha Guruli | | Omari Jones | 2 |
| Omari Jones | w/o | | |

### Top half
#### Section 1

| First round | First round | Second round | Second round | Third round | Third round | Quarterfinals | Quarterfinals |
| | | Ahmed Harara | 0 | | |
| | | Asadkhuja Muydinkhujaev | 5 | | |
| Eugene McKeever | 0 | Asadkhuja Muydinkhujaev | 5 | | |
| Asadkhuja Muydinkhujaev | 5 | | | | |
| Asadkhuja Muydinkhujaev | 5 | | | Asadkhuja Muydinkhujaev | 0 |
| | | | | Sewon Okazawa | 5 |
| Dmitri Galagoț | 5 | | | Sewon Okazawa | 5 |
| Sultan Mohammad Naeemi | 0 | | | | |
| Sultan Mohammad Naeemi | 0 | Dmitri Galagoț | 0 | | |
| | | Sewon Okazawa | 5 | | |
| Sewon Okazawa | 3 | Sewon Okazawa | 5 | | |
| Miguel Ferrín | 2 | | | | | | |
| Miguel Ferrín | 2 | | | | | Sewon Okazawa | 4 |
| | | | | | | Vakhid Abbasov | 1 |
| | | Vakhid Abbasov | 5 | | | | |
| | | Sanil Shahi | 0 | | | | |
| Sanil Shahi | w/o | Sanil Shahi | 0 | | | | |
| Isam Al-Ogaidi | | | | | | | |
| Isam Al-Ogaidi | | | | Vakhid Abbasov | 5 | | |
| | | | | Zhakshylyk Talaibekov | 0 |
| Zhakshylyk Talaibekov | RSC | | | Zhakshylyk Talaibekov | 0 |
| Jean Marie Onana Ngah | | | | | |
| Jean Marie Onana Ngah | | Zhakshylyk Talaibekov | 4 | | |
| | | Obada Al-Kasbeh | 1 | | |

#### Section 2

| First round | First round | Second round | Second round | Third round | Third round | Quarterfinals | Quarterfinals |
| | | Christiann Palacio | 0 | | |
| | | Ablaikhan Zhussupov | 5 | | |
| Lin Yu | 0 | Ablaikhan Zhussupov | 5 | | |
| Ablaikhan Zhussupov | 5 | | | | |
| Ablaikhan Zhussupov | 5 | | | Ablaikhan Zhussupov | 5 |
| | | | | Damian Durkacz | 0 |
| Aljaž Šircelj | 0 | | | Damian Durkacz | 0 |
| Gurgen Madoyan | 5 | | | | |
| Gurgen Madoyan | 5 | Gurgen Madoyan | 1 | | |
| | | Damian Durkacz | 4 | | |
| | | | | | | Ablaikhan Zhussupov | 5 |
| | | | | | | Baatarsükhiin Chinzorig | 0 |
| | | Joseph Shigali | 0 | | | | |
| | | Marco Hernández | 5 | | | | |
| Milán Fodor | 0 | Marco Hernández | 5 | | | | |
| Marco Hernández | 5 | | | | | | |
| Marco Hernández | 5 | | | Marco Hernández | 0 | | |
| | | | | Baatarsükhiin Chinzorig | 5 |
| Carlos Tobar | 1 | | | Baatarsükhiin Chinzorig | 5 |
| Baatarsükhiin Chinzorig | 4 | | | | |
| Baatarsükhiin Chinzorig | 4 | Baatarsükhiin Chinzorig | 5 | | |
| | | Vincenzo Mangiacapre | 0 | | |

### Bottom half
#### Section 3

| First round | First round | Second round | Second round | Third round | Third round | Quarterfinals | Quarterfinals |
| | | Moslem Maghsoudi | 5 | | |
| | | Lee Sang-min | 0 | | |
| Bryan Pérez | 2 | Lee Sang-min | 0 | | |
| Lee Sang-min | 3 | | | | |
| Lee Sang-min | 3 | | | Moslem Maghsoudi | 0 |
| | | | | Lasha Guruli | 5 |
| Lasha Guruli | 5 | | | Lasha Guruli | 5 |
| Rashield Williams | 0 | | | | |
| Rashield Williams | 0 | Lasha Guruli | 5 | | |
| | | Michal Takács | 0 | | |
| | | | | | | Lasha Guruli | 4 |
| | | | | | | Kevin Brown | 1 |
| | | Shain Boniface | 0 | | | | |
| | | Kevin Brown | 5 | | | | |
| Joshua Frazer | | Kevin Brown | 5 | | | | |
| Kevin Brown | w/o | | | | | | |
| Kevin Brown | w/o | | | Kevin Brown | 5 | | |
| | | | | Akash Sangwan | 0 |
| Adem Furkan Avcı | 0 | | | Akash Sangwan | 0 |
| Akash Sangwan | 5 | | | | |
| Akash Sangwan | 5 | Akash Sangwan | 4 | | |
| | | Deniel Krotter | 1 | | |

#### Section 4

| First round | First round | Second round | Second round | Third round | Third round | Quarterfinals | Quarterfinals |
| | | Tyler Jolly | 0 | | |
| | | Omari Jones | 5 | | |
| Djo Kayala Engulu | | Omari Jones | 5 | | |
| Omari Jones | w/o | | | | |
| Omari Jones | w/o | | | Omari Jones | 5 |
| | | | | Martin Skogheim | 0 |
| Vensan Kirkorov | 0 | | | Martin Skogheim | 0 |
| Martin Skogheim | 5 | | | | |
| Martin Skogheim | 5 | Martin Skogheim | 3 | | |
| | | Saidikrom Amonov | 2 | | |
| | | | | | | Omari Jones | 5 |
| | | | | | | Wanderson de Oliveira | 0 |
| | | Viktor Petrov | 5 | | | | |
| | | Evgenii Kool | 0 | | | | |
| Evgenii Kool | 4 | Evgenii Kool | 0 | | | | |
| Harvey Lambert | 1 | | | | | | |
| Harvey Lambert | 1 | | | Viktor Petrov | 0 | | |
| | | | | Wanderson de Oliveira | 5 |
| Wanderson de Oliveira | RSC | | | Wanderson de Oliveira | 5 |
| Atichai Phoemsap | | | | | |
| Atichai Phoemsap | | Wanderson de Oliveira | RSC | | |
| | | Antonio Tkalčić | | | |