| | Event type
Light-Welterweight (≤64 kilograms), Boys
| Date | 14 – 18 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 | Ilya Popov |  RUS | Gold | ||
| 2 | Talgat Shaiken |  KAZ | Silver | ||
| 3 | Hassan Azim |  GBR | Bronze | ||
| 4 | Mohammed Boulaouja |  MAR | |||
| =5 | Otha Jones |  USA | |||
| =5 | Erdonis Maliqi |  KOS |
Round One
| Date | 14 October 2018 |
|---|
| Match | Date/Time | Competitor | NOC | Result | Competitor | NOC | |
|---|---|---|---|---|---|---|---|
| Match #1 | 14 Oct | Hassan Azim | GBR | Decision | Otha Jones | USA | |
| Match #2 | 14 Oct | Mohammed Boulaouja | MAR | Decision | Erdonis Maliqi | KOS |
Quarter-Finals
| Date | 15 October 2018 |
|---|
| Match | Date/Time | Competitor | NOC | Result | Competitor | NOC | |
|---|---|---|---|---|---|---|---|
| Match #1 | 15 Oct | Ilya Popov | RUS | Decision | Otha Jones | USA | |
| Match #2 | 15 Oct | Talgat Shaiken | KAZ | Walkover | Erdonis Maliqi | KOS |
Semi-Finals
| Date | 16 October 2018 |
|---|
| Match | Date/Time | Competitor | NOC | Result | Competitor | NOC | |
|---|---|---|---|---|---|---|---|
| Match #1 | 16 Oct | Ilya Popov | RUS | Decision | Hassan Azim | GBR | |
| Match #2 | 16 Oct | Talgat Shaiken | KAZ | Referee stops contest | Mohammed Boulaouja | MAR |
Final Round
| Date | 18 October 2018 |
|---|
| Match | Date/Time | Competitor | NOC | Result | Competitor | NOC | |
|---|---|---|---|---|---|---|---|
| Match 1/2 | 18 Oct | Ilya Popov | RUS | Decision | Talgat Shaiken | KAZ | |
| Match 3/4 | 18 Oct | Hassan Azim | GBR | Referee stops contest | Mohammed Boulaouja | MAR | |
| Match 5/6 | 18 Oct | Otha Jones | USA | No contest | Erdonis Maliqi | KOS |