| | Event type
Flyweight (≤49 kilograms), Women
| Date | 8 August 2012 | |
|---|---|---|
| Status | Olympic | |
| Location | ExCeL, Newham, London | |
| Participants | 16 from 16 countries | |
| Format | Single-elimination tournament. All fighters losing to the finalists in each pool advance to repêchage tournament for the bronze medal. | |
Wu Jingyu was the defending gold medalist and had won the World Championships in 2011. She had an easy time of it in London, winning her first two matches easily. In the final she faced Spain’s Brigitte Yagüe but Yagüe was no challenge for her. Wu went ahead 4-0 in the first round, extended it to 7-1 after two rounds, and finally won 8-1. Yague had a close fight in the semi-finals over Thailand’s Chanatip Sonkham, eventually winning 10-9 with a kick in the final minute. Sonkham won one bronze medal, with the other going to Croatia’s Lucija Zaninović. The biggest upset in the class occurred in the quarter-finals when Sonkham defeated second seeded Yang Shu-Chun (TPE).
| Pos | Competitor | NOC | |||
|---|---|---|---|---|---|
| 1 | Wu Jingyu |  CHN | Gold | ||
| 2 | Brigitte Yagüe |  ESP | Silver | ||
| =3 | Lucija Zaninović |  CRO | Bronze | ||
| =3 | Chanatip Sonkham |  THA | Bronze | ||
| =5 | Elizabeth Zamora |  GUA | |||
| =5 | Jannet Alegría |  MEX | |||
| =7 | Carolena Carstens |  PAN | |||
| =7 | Erika Kasahara |  JPN | |||
| =9 | Yang Shu-Chun |  TPE | |||
| =9 | Carola López |  ARG | |||
| =11 | Seulki Kang |  CAF | |||
| =11 | Sümeyye Manz |  GER | |||
| =11 | Raya Hatahet |  JOR | |||
| =11 | Sanaa Atabrour |  MAR | |||
| =11 | Theresa Tona |  PNG | |||
| =11 | Kristina Kim |  RUS |
Round One
| Date | 8 August 2012 |
|---|---|
| Format | Winner of each match advanced to the quarter-finals. |
| Match | Date/Time | Competitor | NOC | Result | Competitor | NOC | |
|---|---|---|---|---|---|---|---|
| Match #1 | 08 Aug 9:00 | Wu Jingyu | CHN | Final score | Elizabeth Zamora | GUA | |
| Match #2 | 08 Aug 9:30 | Erika Kasahara | JPN | Points gap | Theresa Tona | PNG | |
| Match #3 | 08 Aug 10:00 | Lucija Zaninović | CRO | Points gap | Seulki Kang | CAF | |
| Match #4 | 08 Aug 10:30 | Carola López | ARG | Final score | Sanaa Atabrour | MAR | |
| Match #5 | 08 Aug 11:00 | Brigitte Yagüe | ESP | Final score | Carolena Carstens | PAN | |
| Match #6 | 08 Aug 11:30 | Jannet Alegría | MEX | Final score | Raya Hatahet | JOR | |
| Match #7 | 08 Aug 12:00 | Chanatip Sonkham | THA | Points gap | Kristina Kim | RUS | |
| Match #8 | 08 Aug 12:30 | Yang Shu-Chun | TPE | Final score | Sümeyye Manz | GER |
Quarter-Finals
| Date | 8 August 2012 |
|---|---|
| Format | Winner of each match advanced to the semi-finals. |
| Match | Date/Time | Competitor | NOC | Result | Competitor | NOC | |
|---|---|---|---|---|---|---|---|
| Match #1 | 08 Aug 15:00 | Wu Jingyu | CHN | Points gap | Erika Kasahara | JPN | |
| Match #2 | 08 Aug 15:30 | Lucija Zaninović | CRO | Final score | Carola López | ARG | |
| Match #3 | 08 Aug 16:00 | Brigitte Yagüe | ESP | Final score | Jannet Alegría | MEX | |
| Match #4 | 08 Aug 16:30 | Chanatip Sonkham | THA | Final score | Yang Shu-Chun | TPE |
Semi-Finals
| Date | 8 August 2012 |
|---|---|
| Format | Winner of each match advanced to the final round. |
| Match | Date/Time | Competitor | NOC | Result | Competitor | NOC | |
|---|---|---|---|---|---|---|---|
| Match #1 | 08 Aug 17:00 | Wu Jingyu | CHN | Points gap | Lucija Zaninović | CRO | |
| Match #2 | 08 Aug 17:30 | Brigitte Yagüe | ESP | Final score | Chanatip Sonkham | THA |
Repêchage Round One
| Date | 8 August 2012 |
|---|---|
| Format | Winner of each match advanced to the bronze medal match. |
| Match | Date/Time | Competitor | NOC | Result | Competitor | NOC | |
|---|---|---|---|---|---|---|---|
| Match #1 | 08 Aug 20:00 | Elizabeth Zamora | GUA | Final score | Erika Kasahara | JPN | |
| Match #2 | 08 Aug 20:30 | Jannet Alegría | MEX | Final score | Carolena Carstens | PAN |
Final Round
| Date | 8 August 2012 |
|---|
| Match | Date/Time | Competitor | NOC | Result | Competitor | NOC | |
|---|---|---|---|---|---|---|---|
| Match 1/2 | 08 Aug 22:15 | Wu Jingyu | CHN | Final score | Brigitte Yagüe | ESP | |
| Match 3/5 | 08 Aug 21:00 | Chanatip Sonkham | THA | Final score | Elizabeth Zamora | GUA | |
| Match 3/5 | 08 Aug 21:30 | Lucija Zaninović | CRO | Sudden death | Jannet Alegría | MEX |