Cai Zongju
Cai Zongju is a Chinese former professional boxer. She has held the IBF and IBO female minimumweight titles.
Biography
Scouted by the Chinese state sports system, Cai was sent a sports boarding school and trained in freestyle wrestling before switching to kickboxing, Muay Thai and finally boxing.She made her professional boxing debut in September 2014, defeating Li Yun Ting in Kunming, China.
Cai challenged IBF female minimumweight champion Etsuko Tada at the Cotai Arena in Macau on 30 January 2017, winning by split decision.
She successfully defended her title via unanimous decision against Gretchen Abaniel at Macau East Asian Games Dome on 28 October 2017, before vacating the championship.
Cai became a two-time world champion by defeating Ana Victoria Polo on a unanimous decision for the vacant IBO female minimumweight title in Haikou, China, on 9 June 2018.
She then switched to amateur boxing and competed for China at the 2019 Women's World Boxing Championships in Russia, where she was eliminated in the quarter-finals.
Professional boxing record
| No. | Result | Record | Opponent | Type | Round, time | Date | Location | Notes |
| 12 | Win | 11–1 | Ana Victoria Polo | UD | 10 | 9 Jun 2018 | Haikou, China | Won vacant IBO female minimumweight title |
| 11 | Win | 10–1 | Gretchen Abaniel | UD | 10 | 28 Oct 2017 | Macau East Asian Games Dome, Macau | Retained IBF female minimumweight title |
| 10 | Win | 9–1 | Etsuko Tada | SD | 10 | 30 Jan 2017 | Cotai Arena, Macau | Win IBF female minimumweight title |
| 9 | Win | 8–1 | Siriporn Thaweesuk | UD | 10 | 25 May 2016 | Diamond Court, Beijing, China | |
| 8 | Win | 7–1 | Debora Rengifo | UD | 10 | 12 Feb 2016 | Olympic Park Arena, Luzhou, China | Retained WBC female International minimumweight title |
| 7 | Win | 6–1 | Mari Ando | MD | 10 | 18 Sep 2015 | Yageer Gymnasium, Ningbo, China | Retained WBC female International minimumweight title |
| 6 | Win | 5–1 | Angor Onesongchaigym | UD | 10 | 8 May 2015 | EXPO Garden Hotel, Kunming, China | Retained WBC female International minimumweight title |
| 5 | Win | 4–1 | Gretchen Abaniel | UD | 10 | 22 Feb 2015 | Wenshan, China | Won vacant WBC female International minimumweight title |
| 4 | Win | 3–1 | Ma Li | UD | 4 | 27 Dec 2014 | Haikou, China | |
| 3 | Win | 2–1 | Miki Matsumoto | TKO | 1, 1:41 | 30 Nov 2014 | Sangyo Hall, Kanazawa, Japan | |
| 2 | Loss | 1–1 | Myna Ketsana | PTS | 10 | 18 Oct 2014 | Sawan Vegas Hotel, Savannakhet, Laos | |
| 1 | Win | 1–0 | Li Yun Ting | UD | 4 | 8 Aug 2014 | Expo Hall, China Pavilion, Expo Garden, Kunming, China |