| | Event type
Lightweight (≤60 kilograms), Boys
| Date | 14 – 17 October 2018 | |
|---|---|---|
| Status | YOG | |
| Location | Oceania Pavilion, Parque Olímpico de la Juventud, Villa Soldati, Buenos Aires | |
| Participants | 6 from 6 countries | |
| Format | Single elimination tournament. | |
| Pos | Competitor | NOC | |||
|---|---|---|---|---|---|
| 1 | Atichai Phoemsap |  THA | Gold | ||
| 2 | Taras Bondarchuk |  UKR | Silver | ||
| 3 | Nurlan Safarov |  AZE | Bronze | ||
| 4 | Marwan Mamdouh Mohamed Madboly |  EGY | |||
| =5 | Spencer Wilcox |  CAN | |||
| =5 | Kasib Murdoch-Mckeich |  NZL |
Round One
| Date | 14 October 2018 |
|---|
| Match | Date/Time | Competitor | NOC | Result | Competitor | NOC | |
|---|---|---|---|---|---|---|---|
| Match #1 | 14 Oct | Nurlan Safarov | AZE | Decision | Spencer Wilcox | CAN | |
| Match #2 | 14 Oct | Taras Bondarchuk | UKR | Decision | Kasib Murdoch-Mckeich | NZL |
Quarter-Finals
| Date | 15 October 2018 |
|---|
| Match | Date/Time | Competitor | NOC | Result | Competitor | NOC | |
|---|---|---|---|---|---|---|---|
| Match #1 | 15 Oct | Atichai Phoemsap | THA | Decision | Spencer Wilcox | CAN | |
| Match #2 | 15 Oct | Marwan Mamdouh Mohamed Madboly | EGY | Decision | Kasib Murdoch-Mckeich | NZL |
Semi-Finals
| Date | 16 October 2018 |
|---|
| Match | Date/Time | Competitor | NOC | Result | Competitor | NOC | |
|---|---|---|---|---|---|---|---|
| Match #1 | 16 Oct | Atichai Phoemsap | THA | Decision | Nurlan Safarov | AZE | |
| Match #2 | 16 Oct | Taras Bondarchuk | UKR | Decision | Marwan Mamdouh Mohamed Madboly | EGY |
Final Round
| Date | 17 October 2018 |
|---|
| Match | Date/Time | Competitor | NOC | Result | Competitor | NOC | |
|---|---|---|---|---|---|---|---|
| Match 1/2 | 17 Oct | Atichai Phoemsap | THA | Decision | Taras Bondarchuk | UKR | |
| Match 3/4 | 17 Oct | Nurlan Safarov | AZE | Decision | Marwan Mamdouh Mohamed Madboly | EGY | |
| Match 5/6 | 17 Oct | Spencer Wilcox | CAN | Decision | Kasib Murdoch-Mckeich | NZL |