| | Event type
Lightweight (≤60 kilograms), Girls
| Date | 15 – 18 October 2018 | |
|---|---|---|
| Status | YOG | |
| Location | Oceania Pavilion, Parque Olímpico de la Juventud, Villa Soldati, Buenos Aires | |
| Participants | 7 from 7 countries | |
| Format | Single elimination tournament. | |
| Pos | Competitor | NOC | |||
|---|---|---|---|---|---|
| 1 | Caroline Dubois |  GBR | Gold | ||
| 2 | Porntip Buapa |  THA | Silver | ||
| 3 | Oriana Saputo |  ARG | Bronze | ||
| 4 | Emma Lawson |  AUS | |||
| =5 | Fatimo Aramokola |  NGR | |||
| =5 | Luca Hámori |  HUN | |||
| =5 | Mawada Taghouti |  TUN |
Round One
| Date | 15 October 2018 |
|---|
| Match | Date/Time | Competitor | NOC | Result | Competitor | NOC | |
|---|---|---|---|---|---|---|---|
| Match #1 | 15 Oct | Porntip Buapa | THA | ||||
| Match #2 | 15 Oct | Emma Lawson | AUS | Decision | Fatimo Aramokola | NGR | |
| Match #3 | 15 Oct | Oriana Saputo | ARG | Decision | Luca Hámori | HUN | |
| Match #4 | 15 Oct | Caroline Dubois | GBR | Decision | Mawada Taghouti | TUN |
Semi-Finals
| Date | 16 October 2018 |
|---|
| Match | Date/Time | Competitor | NOC | Result | Competitor | NOC | |
|---|---|---|---|---|---|---|---|
| Match #1 | 16 Oct | Porntip Buapa | THA | Decision | Emma Lawson | AUS | |
| Match #2 | 16 Oct | Caroline Dubois | GBR | Decision | Oriana Saputo | ARG |
Final Round
| Date | 18 October 2018 |
|---|
| Match | Date/Time | Competitor | NOC | Result | Competitor | NOC | |
|---|---|---|---|---|---|---|---|
| Match 1/2 | 18 Oct | Caroline Dubois | GBR | Decision | Porntip Buapa | THA | |
| Match 3/4 | 18 Oct | Oriana Saputo | ARG | Decision | Emma Lawson | AUS |