| | Event type
>73 kilograms, Boys
| Date | 11 October 2018 | |
|---|---|---|
| Status | YOG | |
| Location | Oceania Pavilion, Parque Olímpico de la Juventud, Villa Soldati, Buenos Aires | |
| Participants | 8 from 8 countries | |
| Format | Single-elimination tournament. | |
| Pos | Competitor | NOC | |||
|---|---|---|---|---|---|
| 1 | Mohammadali Khosravi |  IRI | Gold | ||
| 2 | Lee Meng-En |  TPE | Silver | ||
| =3 | Nisar Ahmad Abdul Rahimzai |  AFG | Bronze | ||
| =3 | Ethan Mcclymont |  CAN | Bronze | ||
| =5 | Abdelrahman Mohamed Khalaf |  EGY | |||
| =5 | Nik Augustin |  SLO | |||
| =5 | Milos Pilipovic |  NOR | |||
| =5 | Jakub Sadurski |  POL |
Round One
| Date | 11 October 2018 |
|---|
| Match | Date/Time | Competitor | NOC | Result | Competitor | NOC | |
|---|---|---|---|---|---|---|---|
| Match #1 | 11 Oct | Nisar Ahmad Abdul Rahimzai | AFG | Final score | Abdelrahman Mohamed Khalaf | EGY | |
| Match #2 | 11 Oct | Mohammadali Khosravi | IRI | Final score | Nik Augustin | SLO | |
| Match #3 | 11 Oct | Ethan Mcclymont | CAN | Final score | Milos Pilipovic | NOR | |
| Match #4 | 11 Oct | Lee Meng-En | TPE | Final score | Jakub Sadurski | POL |
Semi-Finals
| Date | 11 October 2018 |
|---|
| Match | Date/Time | Competitor | NOC | Result | Competitor | NOC | |
|---|---|---|---|---|---|---|---|
| Match #1 | 11 Oct | Mohammadali Khosravi | IRI | Golden point | Nisar Ahmad Abdul Rahimzai | AFG | |
| Match #2 | 11 Oct | Lee Meng-En | TPE | Final score | Ethan Mcclymont | CAN |
Final Round
| Date | 11 October 2018 |
|---|
| Match | Date/Time | Competitor | NOC | Result | Competitor | NOC | |
|---|---|---|---|---|---|---|---|
| Match 1/2 | 11 Oct | Mohammadali Khosravi | IRI | Final score | Lee Meng-En | TPE |