Brief Introduction of Tenshin Nasukawa
Tenshin Nasukawa is a Japanese professional boxer and a former kickboxer and mixed martial artist, widely regarded as one of the greatest kickboxers in the history of the sport. Known by the nickname “Prodigy,” he gained international fame for his incredible speed, unorthodox striking, and an undefeated record in both professional kickboxing and MMA. His meteoric rise in combat sports, characterized by electrifying knockouts and a unique fighting style that blends Kyokushin karate with kickboxing and Muay Thai, made him a superstar in his native Japan. Nasukawa’s career is marked by numerous championships in prestigious organizations like RISE and RIZIN. He captured global attention with his high-profile bouts, including an exhibition match against boxing legend Floyd Mayweather Jr. and a highly anticipated kickboxing showdown with Takeru Segawa, before transitioning to professional boxing in 2023.
Tenshin Nasukawa Overview
| Full Name | Tenshin Nasukawa |
| Date of Birth | August 18, 1998 |
| Age(as of 2025) | 27 |
| Birthplace | Matsudo, Chiba Prefecture, Japan |
| Profession | Professional Boxer, former Professional Kickboxer and Mixed Martial Artist |
| Husband/Wife | Not publicly available |
| Family | Hiroyuki Nasukawa (Father), Riri Nasukawa (Sister) |
| Relationship/Affairs(GF/BF) | Information not disclosed |
| Net Worth | Estimated between $4 million and $6 million |
Early Life and Education of Tenshin Nasukawa
Tenshin Nasukawa was born on August 18, 1998, in Matsudo, Chiba Prefecture, Japan. His journey into martial arts began at the tender age of five when his father, Hiroyuki Nasukawa, enrolled him in a Kyokushin karate dojo with the intention of instilling discipline. It quickly became apparent that Nasukawa possessed a natural talent for combat sports. By the time he was in the fifth grade, he had already won the Kyokushin Junior World Championship. His father wanted him to experience the spiritual and psychological benefits of martial arts, and Tenshin’s early success proved his immense potential. Drawn to the bigger stages of combat sports like K-1 and Pride, he transitioned to kickboxing while in the sixth grade. Nasukawa had an extensive and highly successful amateur kickboxing career, amassing a remarkable record of 99 wins in 107 fights before turning professional. Despite his burgeoning career as a young fighter, he continued with his formal education, attending high school for several hours a day before heading to the gym to train.
Tenshin Nasukawa’s Career
Tenshin Nasukawa’s professional career has been nothing short of spectacular, marked by an undefeated streak in kickboxing and a seamless transition into the world of professional boxing. He began his professional kickboxing journey in 2012 and quickly established himself as a dominant force. His record stands as a testament to his skill, with 42 wins and no losses in kickboxing, and 4 wins with no losses in mixed martial arts. Throughout his kickboxing career, he collected numerous prestigious titles, including the RISE Bantamweight and Featherweight championships, as well as the ISKA Featherweight and Bantamweight world championships. He also won the 2017 RIZIN Flyweight Kickboxing Tournament.
Nasukawa became a household name in Japan, known for his acrobatic and powerful techniques, leading to knockout victories against formidable opponents like former IBF boxing champion Amnat Ruenroeng and Muay Thai legend Wanchalong PK Saenchaigym. One of the most significant moments of his early career was the exhibition boxing match against Floyd Mayweather Jr. on New Year’s Eve in 2018. Despite the loss, the event brought him global recognition. In 2022, he concluded his kickboxing career with a landmark victory over fellow Japanese superstar Takeru Segawa in a bout dubbed “THE MATCH 2022.” Following this, Nasukawa announced his full-time transition to professional boxing, driven by a desire to constantly seek new challenges. He made his professional boxing debut on April 8, 2023, securing a unanimous decision victory over Yuki Yonaha. As of late 2025, he continues to build his boxing career, facing increasingly challenging opponents and aiming for a world title.
Tenshin Nasukawa Personal Life & Family
Tenshin Nasukawa’s family has been a cornerstone of his success in combat sports. His father, Hiroyuki Nasukawa, has been a guiding force since his childhood, not only introducing him to martial arts but also serving as one of his trainers and the president of Teppen Gym. His family’s support is often visible during his fights, providing a significant morale boost. Nasukawa also has a younger sister, Riri Nasukawa, who is following in his footsteps as a professional fighter. Information regarding his mother is less public, though she has been noted as being present and supportive at his gym. In terms of his romantic life, Nasukawa has remained private. It is common for many fighters in Japan to focus solely on their careers, delaying romantic relationships until they are more established, and Nasukawa appears to follow this path, with no public information available about a girlfriend or romantic affairs.
Awards and Achievements of Tenshin Nasukawa
- RISE World Featherweight Champion
- RISE Bantamweight Champion
- ISKA Unified Rules Featherweight World Champion
- ISKA Oriental Rules Bantamweight World Champion
- 2017 RIZIN Kickboxing Flyweight Tournament Winner
- 2015 BLADE Japan Cup -55kg Tournament Champion
- Undefeated Professional Kickboxing Record (42-0)
- Undefeated Professional MMA Record (4-0)
Tenshin Nasukawa Net Worth and Income
As of 2025, Tenshin Nasukawa’s net worth is estimated to be between $4 million and $6 million. This substantial wealth has been accumulated through a multifaceted career in combat sports. His primary sources of income include significant fight purses from his time as a top-tier kickboxer in promotions like RIZIN and RISE, and now as a professional boxer. The exhibition bout against Floyd Mayweather Jr. in 2018 was a major financial milestone, reportedly earning him a massive payday. His final kickboxing match against Takeru Segawa also came with a rumored multi-million dollar purse, one of the largest in kickboxing history. Beyond the ring, Nasukawa’s income is supplemented by numerous brand endorsements, television appearances, and social media sponsorships, capitalizing on his immense popularity in Japan. These outside ventures contribute a significant portion to his annual earnings.
Legacy and Influence
Tenshin Nasukawa’s legacy is that of a generational talent who revolutionized combat sports in Japan and brought renewed global attention to kickboxing. Often called a “prodigy” and the “kickboxing messiah,” he is celebrated for his unique and entertaining fighting style, which combines elements from karate, Muay Thai, and boxing with dazzling speed and agility. He is credited with being one of the most exciting fighters to watch, capable of highlight-reel knockouts using unorthodox techniques like rolling thunder kicks and spinning attacks. His undefeated streak in kickboxing and MMA against top-level competition solidified his status as one of the best pound-for-pound strikers in the world. By transitioning to boxing, Nasukawa continues to challenge himself and inspire a new generation of fighters, demonstrating that it is possible to achieve greatness across multiple disciplines. His influence extends beyond his in-ring accomplishments; his charisma and marketability have made him a mainstream star in Japan, significantly boosting the popularity of combat sports.
Interesting Facts about Tenshin Nasukawa
- He began training in Kyokushin karate at just five years old.
- Nasukawa had an incredibly active amateur kickboxing career, with a record reported to be 99 wins, 5 losses, and 1 draw out of 105 fights. Another source indicates 99 wins out of 107 total amateur bouts.
- He published a biography titled “Kakusei” (meaning “Awakening”) at a young age.
- Outside of fighting, he has expressed an interest in knitting and sewing.
- In an interview, he stated that he believes in extraterrestrial life and finds ghosts “freaky as hell.”
- He was offered a professional boxing contract by famed promoter Akihiko Honda of Teiken Promotions when he was just twelve years old, but he declined at the time to continue his kickboxing path.
Controversies
The most notable controversy in Tenshin Nasukawa’s career surrounded his 2018 New Year’s Eve exhibition boxing match against Floyd Mayweather Jr. The fight, which ended in a first-round TKO loss for Nasukawa, was criticized by some in the combat sports community. The significant size and weight disparity between the two fighters was a major point of contention, with Mayweather being naturally much larger. The bout was purely an exhibition and did not count on either fighter’s professional record, but the quick and decisive loss for the Japanese prodigy led to debates about the legitimacy and purpose of such crossover events, with some viewing it more as a lucrative spectacle than a genuine athletic contest.
Social Media Presence
- Instagram (tenshin.nasukawa) – Over 1.1 million followers
- Twitter (TeppenTenshin) – Information not disclosed
- YouTube – Information not disclosed
Final Words about Tenshin Nasukawa
Tenshin Nasukawa remains a pivotal figure in the world of combat sports. Having conquered the kickboxing and MMA worlds with an unblemished record, his focus is now firmly on professional boxing. His transition has been deliberate and strategic, taking on progressively tougher opponents to build his experience in the new discipline. While some in Japan may still view him as a crossover athlete, his goal is to earn their full respect by capturing a world championship in boxing. His journey is a testament to his relentless drive and ambition to test his skills at the highest levels. As he continues his boxing career, fans worldwide eagerly watch to see if the “Prodigy” can replicate his phenomenal success and build a new legacy inside the squared circle, cementing his status as one of the most versatile and talented combat athletes of his generation.
