Denice Zamboanga

Denice Zamboanga is a Filipino mixed martial artist. She is currently signed to ONE Championship, where she is the current ONE Women's Atomweight MMA World Champion.

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Background

Zamboanga was born and raised in Quezon City, Philippines, and her older brother, Drex, taught her and her three sisters the art of self-defense.

Mixed martial arts career

Early career

Zamboanga made her professional MMA debut on January 6, 2017, winning the bout knockout in 44 seconds. She went on to win three more bouts prior to being signed by ONE Championship.

ONE Championship

Zamboanga signed with ONE Championship in 2019 as an undefeated MMA fighter. She managed to maintain her perfect record by defeated her first three opponents in the Singapore based martial arts organization from 2019 to 2020.
On December 6, 2019, Zamboanga made her ONE debut at ONE Championship: Mark Of Greatness, where she faced Jihin Radzuan. She won the bout by unanimous decision.
Zamboanga faced Mei Yamaguchi at ONE Championship: King of the Jungle on February 28, 2020. She won the bout by unanimous decision.
Zamboanga faced Watsapinya Kaewkhong at ONE Championship: A New Breed on August 28, 2020. She won the bout by submission.

ONE Women's Atomweight World Grand Prix

Zamboanga was one of the eight fighters selected to compete in the inaugural ONE Women's Atomweight Grand Prix. She faced Seo Hee Ham in the Grand Prix quarter-finals at ONE: Empower on September 3, 2021. She lost the bout via controversial split decision.
Zamboanga was scheduled to rematch Seo Hee Ham at ONE: X on December 5, 2021. However, the event was postponed on March 6, 2022 due to COVID-19 pandemic. She lost the fight by unanimous decision.

Post-Grand Prix

Zamboanga faced Lin Heqin on December 3, 2022, at ONE on Prime Video 5. She won the bout by split decision.
Zamboanga faced Julie Mezabarba on April 22, 2023, at ONE Fight Night 9. She won the bout via unanimous decision. On June 16, 2023, it was announced that Mezabarba had tested positive for a banned substance in an in-competition drug test and she was suspended for 18 months, but she had already been released from the promotion.
Zamboanga was scheduled to face Stamp Fairtex for the ONE Women's Atomweight World Championship on March 1, 2024, at ONE 166. However, the bout was moved to June so the fighters can take part in the start of an original docuseries production. The bout was rescheduled on June 8, 2024, at ONE 167. However on May 21, it was announced that Stamp was forced to withdraw due to serious knee injury. Zamboanga faced Noelle Grandjean instead. She won the fight by unanimous decision.

ONE Women's Atomweight Champion

Zamboanga was scheduled to face Alyona Rassohyna for the interim ONE Women's Atomweight World Championship on October 5, 2024, at ONE Fight Night 25. However in August 2024, it was announced that Zamboanga had withdrawn from the bout due to a hamstring injury. The bout was rescheduled on January 11, 2025, at ONE Fight Night 27. She won the fight via technical knockout in round two to win the interim title. This win also earned her the $50,000 Performance of the Night bonus.
Zamboanga was scheduled to face atomweight champion Stamp Fartex at ONE 173 on August 1, 2025. However, it was announced in May 2025 that Stamp withdrew due to a setback in her recovery from knee surgery. As a result, Stamp agreed to relinquish her atomweight MMA title and Zamboanga was subsequently promoted to undisputed champion. Zamboanga was then scheduled to face Ayaka Miura on November 16, 2025. However, she withdrew from the bout due to a medical issue.