Kana Watanabe Bio
Kana Watanabe (Japanese: 渡辺華奈, Watanabe Kana; born August 21, 1988) is a Japanese mixed martial artist who competes in the Flyweight division of the Professional Fighters League (PFL). She is widely respected for her deep judo background, having earned a 4th dan black belt in the discipline before transitioning to mixed martial arts in 2017. Watanabe has built a reputation as a tenacious and technically sound competitor on both the Japanese and international circuits, fighting out of Tokyo, Japan, for the team known as Fighter’s Flow. Throughout her career, she has competed in prominent organizations including DEEP Jewels, Rizin Fighting Federation, Bellator MMA, and the PFL.
Early Life and Background
Kana Watanabe was born on August 21, 1988, in Tokyo, Japan. She began her martial arts journey in judo at the age of seven, training at Rinkai Juku, where she developed the technical foundation that would later define her fighting style. During her time at Shibuya Kyoiku Gakuen Shibuya Junior High School, she competed in the 63 kg category at the National Junior High School Judo Tournament, gaining valuable national-level experience at a young age.
Watanabe continued her judo career at Shibuya Kyoiku Gakuen Shibuya High School, where she placed fifth at the National High School Championships in her first year. In her second year, she reached the finals of the Kinwashi-ki competition alongside teammate Nakamura Misato. She also finished second at the Inter High School Championships, losing in the final to Wada Mami, and captured third place at the All Japan Junior Championships after winning the Asian Junior Championships. She later attended Tokai University, where she won the All-Japan Junior Championships in her freshman year and continued to refine her grappling skills.
Path to MMA
After completing her university studies, Watanabe joined JR East in 2011, where she continued competing in judo and earned a third-place finish at the 2013 individual business championships. She moved up to the 57 kg weight class and helped her team secure a second-place finish at the 2016 Jitsugyo team competition, defeating the previous year’s Kodokan Cup winner along the way. Following her retirement from competitive judo, she briefly worked as a coach but stepped away after only three months, feeling she had not yet reached her own athletic potential.
In 2017, Watanabe joined Fighter’s Flow, a gym run by mixed martial artist Takao Ueda, and transitioned fully into mixed martial arts. She also gained public attention that year by participating twice in KUNOICHI, a female version of the SASUKE competition aired on TBS, achieving strong results in both appearances. Her judo credentials and athletic versatility made her a natural fit for the sport, and she made her professional MMA debut later that same year.
Kana Watanabe Career
Early Career (2017–2019)
Watanabe made her professional mixed martial arts debut on December 3, 2017, at DEEP Jewels 18, defeating Hikari Sato via an arm-hold crucifix. Later that month, she fought Shizuka Sugiyama at Rizin World Grand Prix 2017: 2nd Round and won a 3-0 decision. Her rapid start continued in 2018, as she battled Yukari Nabe to a draw at Deep Jewels 19 before winning their rematch at Deep Jewels 20 by majority decision. She added a first-round submission win over Asami Nakai and capped the year with an 11-second knockout victory over Shizuka Sugiyama at Rizin’s Heisei’s Last Yarennoka! event.
In 2019, Watanabe continued her rise by winning four consecutive fights across DEEP Jewels and Rizin. She stopped Soo Min Kang via TKO, decisioned Justyna Haba, submitted Hee Eun Kang with a rear-naked choke, and closed the year with a TKO win over Ilara Joani at Bellator Japan’s Bellator x RIZIN event. Following her victory over Joani, she publicly expressed her ambition to challenge for a Rizin women’s flyweight title and to compete overseas.
Bellator MMA Era (2020–2023)
On December 10, 2020, it was announced that Watanabe had signed a multi-fight contract with Bellator MMA, opening the door to the U.S. market. She made her American debut on April 2, 2021, at Bellator 255 against Alejandra Lara, winning the bout via split decision. Her momentum was briefly halted on June 25, 2021, at Bellator 261, when she suffered her first career loss against Liz Carmouche via TKO in the opening 35 seconds of the fight.
Watanabe rebounded on May 13, 2022, at Bellator 281, defeating Denise Kielholtz via a triangle choke submission in the second round. In 2023, she faced then-champion Ilima-Lei Macfarlane at Bellator 295 on April 22, losing a close split decision. She closed her Bellator run on July 30, 2023, at Bellator MMA x Rizin 2, defeating Veta Arteaga by unanimous decision to end her time with the promotion on a winning note.
Professional Fighters League Era (2024–Present)
Watanabe debuted with the Professional Fighters League on April 4, 2024, at PFL 1, winning her bout against Shanna Young by unanimous decision. She faced Liz Carmouche in a rematch on June 13, 2024, at PFL 4, but lost the fight via armbar submission in the third round. On February 18, 2025, the promotion officially announced that Watanabe had joined the 2025 PFL Women’s Flyweight Tournament. In the tournament quarterfinal on April 11, 2025, at PFL 2, she faced Jena Bishop and lost the fight via unanimous decision. She then faced Paulina Wiśniewska on April 11, 2026, at PFL Chicago: Pettis vs. McKee, losing the bout via TKO in the second round.
Style and Strengths
Watanabe is widely recognized for her elite grappling base, having trained in judo since the age of seven and earning a 4th dan black belt in the discipline. She blends traditional judo throws and clinch control with steadily developing striking, making her especially dangerous in close-range exchanges. Her orthodox stance, 168 cm reach, and conditioning allow her to pressure opponents while remaining patient on the feet, and her finishing instincts have produced both rapid knockouts and decisive submissions.
Notable Events and Milestones
Among the signature moments of Watanabe’s career, her 11-second knockout of Shizuka Sugiyama at Rizin’s Heisei’s Last Yarennoka! on December 31, 2018, stands out as one of the fastest finishes in women’s Rizin history. She has also competed in major crossover events such as Bellator x RIZIN and Bellator MMA x Rizin 2, and she challenged for the Bellator flyweight title against Ilima-Lei Macfarlane at Bellator 295 in 2023.
Kana Watanabe Career Wins
Kana Watanabe has compiled 13 professional victories across multiple major promotions, including DEEP Jewels, Rizin Fighting Federation, Bellator MMA, and the Professional Fighters League. Her wins have come by a variety of methods, showcasing her well-rounded skill set and finishing ability. The following section highlights her most significant victories by series.
Rizin and DEEP Highlights
Watanabe made an immediate impact in the Japanese MMA scene, winning her debut at DEEP Jewels 18 and quickly adding a decision victory at Rizin World Grand Prix 2017. Her most memorable Rizin moment came on December 31, 2018, when she knocked out Shizuka Sugiyama in just 11 seconds at Heisei’s Last Yarennoka!. She continued to dominate regionally with submission and TKO finishes over Asami Nakai, Soo Min Kang, and Hee Eun Kang, and a unanimous decision over Ilara Joani at Bellator x RIZIN.
Other Wins and Performances
Beyond her Rizin and DEEP success, Watanabe earned notable victories on the international stage, including a split decision over Alejandra Lara in her Bellator debut and a second-round triangle choke of Denise Kielholtz at Bellator 281. She also decisioned Veta Arteaga at Bellator MMA x Rizin 2 and opened her PFL tenure with a unanimous decision over Shanna Young at PFL 1 in 2024.
Kana Watanabe Family
Family Background and Racing Lineage
There is no publicly verified information regarding Kana Watanabe’s parents, siblings, or wider family background from the available sources.
Personal Life
Kana Watanabe resides in Tokyo, Japan, where she also trains out of the Fighter’s Flow gym. She is not publicly known to be married, and there is no confirmed public information regarding a spouse or children.
2025 Season Performance
Kana Watanabe entered 2025 as a member of the 2025 PFL Women’s Flyweight Tournament, an opportunity that positioned her among the top flyweight competitors in the organization. Her tournament campaign began on April 11, 2025, at PFL 2, where she faced Jena Bishop in the quarterfinal round. Despite a determined effort, Watanabe lost the bout via unanimous decision, ending her run in the 2025 bracket.
Following her tournament exit, Watanabe continued to compete at the highest level of women’s mixed martial arts, taking on Paulina Wiśniewska at PFL Chicago: Pettis vs. McKee on April 11, 2026, where she suffered a second-round TKO loss. Despite the recent setbacks, her continued activity on a global stage underscores her durability and long-term commitment to the sport.