| | Event type
≤63 kilograms, Girls
| Date | 8 October 2018 | |
|---|---|---|
| Status | YOG | |
| Location | Asia Pavilion, Parque Olímpico de la Juventud, Villa Soldati, Buenos Aires | |
| Participants | 11 from 11 countries | |
| Format | Single-elimination tournament. Those losing to finalists compete in repechage for bronze medals. | |
| Pos | Competitor | NOC | |||
|---|---|---|---|---|---|
| 1 | Szofi Özbas |  HUN | Gold | ||
| 2 | Mariem Khlifi |  TUN | Silver | ||
| =3 | Alessia Corrao |  BEL | Bronze | ||
| =3 | Kim Ju-Hui |  KOR | Bronze | ||
| =5 | Nikol Pencue |  COL | |||
| =5 | Hasret Bozkurt |  TUR | |||
| =7 | Saskia Brothers |  AUS | |||
| =7 | Itzel Pecha |  MEX | |||
| =9 | Yassamine Djellab |  ALG | |||
| =9 | Rachel Krapman |  CAN | |||
| =9 | Marin Visser |  NED |
Round One
| Date | 8 October 2018 |
|---|
| Match | Date/Time | Competitor | NOC | Result | Competitor | NOC | |
|---|---|---|---|---|---|---|---|
| Match #1 | 08 Oct | Mariem Khlifi | TUN | bye | |||
| Match #2 | 08 Oct | Saskia Brothers | AUS | 0 | Yassamine Djellab | ALG | |
| Match #3 | 08 Oct | Hasret Bozkurt | TUR | bye | |||
| Match #4 | 08 Oct | Nikol Pencue | COL | bye | |||
| Match #5 | 08 Oct | Marin Visser | NED | bye | |||
| Match #6 | 08 Oct | Szofi Özbas | HUN | 1 | Rachel Krapman | CAN | |
| Match #7 | 08 Oct | Itzel Pecha | MEX | bye | |||
| Match #8 | 08 Oct | Alessia Corrao | BEL | 1 | Kim Ju-Hui | KOR |
Quarter-Finals
| Date | 8 October 2018 |
|---|
| Match | Date/Time | Competitor | NOC | Result | Competitor | NOC | |
|---|---|---|---|---|---|---|---|
| Match #1 | 08 Oct | Mariem Khlifi | TUN | 1 | Saskia Brothers | AUS | |
| Match #2 | 08 Oct | Nikol Pencue | COL | 1 | Hasret Bozkurt | TUR | |
| Match #3 | 08 Oct | Szofi Özbas | HUN | 1 | Marin Visser | NED | |
| Match #4 | 08 Oct | Alessia Corrao | BEL | 1 | Itzel Pecha | MEX |
Semi-Finals
| Date | 8 October 2018 |
|---|
| Match | Date/Time | Competitor | NOC | Result | Competitor | NOC | |
|---|---|---|---|---|---|---|---|
| Match #1 | 08 Oct | Mariem Khlifi | TUN | 0 | Nikol Pencue | COL | |
| Match #2 | 08 Oct | Szofi Özbas | HUN | 0 | Alessia Corrao | BEL |
Repêchage Round One
| Date | 8 October 2018 |
|---|
| Match | Date/Time | Competitor | NOC | Result | Competitor | NOC | |
|---|---|---|---|---|---|---|---|
| Match #1 | 08 Oct | Hasret Bozkurt | TUR | 1 | Yassamine Djellab | ALG | |
| Match #2 | 08 Oct | Saskia Brothers | AUS | bye | |||
| Match #3 | 08 Oct | Itzel Pecha | MEX | 1 | Rachel Krapman | CAN | |
| Match #4 | 08 Oct | Kim Ju-Hui | KOR | 0 | Marin Visser | NED |
Repêchage Semi-Finals
| Date | 8 October 2018 |
|---|
| Match | Date/Time | Competitor | NOC | Result | Competitor | NOC | |
|---|---|---|---|---|---|---|---|
| Match #1 | 08 Oct | Hasret Bozkurt | TUR | 1 | Saskia Brothers | AUS | |
| Match #2 | 08 Oct | Kim Ju-Hui | KOR | 1 | Itzel Pecha | MEX |
Final Round
| Date | 8 October 2018 |
|---|
| Match | Date/Time | Competitor | NOC | Result | Competitor | NOC | |
|---|---|---|---|---|---|---|---|
| Match 1/2 | 08 Oct | Szofi Özbas | HUN | 1 | Mariem Khlifi | TUN | |
| Match 3/5 | 08 Oct | Alessia Corrao | BEL | 1 | Hasret Bozkurt | TUR | |
| Match 3/5 | 08 Oct | Kim Ju-Hui | KOR | 0 | Nikol Pencue | COL |