Kwon Won Il

Kwon Won-il (; born June 24, 1995) is a South Korean mixed martial artist who completed in the Bantamweight division. He previously competed for ONE Championship, where he challenged for the ONE Bantamweight World Championship.

Background Kwon was born on June 24, 1996, in Daejeon, South Korea. He started training martial arts when he joined his elementary school’s taekwondo team, progressing from participating in provincial competitions to the national youth tournament. He quit taekwondo when he graduated from elementary school, citing a lack of direction. Eventually, he was ordered to be transferred to another school after getting into fights with other students. After being informed of the news, his mother cried in front of the school's principal, and Kwon was motivated to better himself.

Mixed martial arts career Early career Kwon started his professional MMA career in 2014, fighting primarily in South Korea and Japan. He amassed a record of 4–0 prior to his signing with ONE Championship.

ONE Championship Kwon made his promotional debut against Anthony Engelen on January 19, 2019, at ONE: Eternal Glory. He won the fight via 67 second technical knockout in the first round.

Kwon faced Masakazu Imanari on February 22, 2019, at ONE: Call to Greatness. He lost the fight via a heel hook submission in 53 second from the first round.

Kwon faced former ONE Featherweight World Championship challenger Eric Kelly April 12, 2019, at ONE: Roots of Honor. He won the fight via 19 second technical knockout in the first round.

Kwon faced Koyomi Matsushima on June 15, 2019, at ONE: Legendary Quest. He lost the fight via unanimous decision.

Kwon faced Sunoto Peringkat on October 13, 2019, at ONE: Century – Part 1. He won the fight via technical knockout in the first round.

Kwon faced Shoko Sato on January 31, 2020, at ONE: Fire & Fury. He lost the fight via a rear-naked choke submission in the first round.

Kwon faced Bruno Pucci on October 30, 2020, and aired on November 20, 2022, at ONE: Inside the Matrix 4. He won the fight via technical knockout in the first round.

Kwon faced Chen Rui on January 20, 2021, and aired on January 27, 2021, at ONE: Unbreakable 2. He won the fight via technical knockout in the third round.

Kwon faced former ONE Bantamweight World Champion Kevin Belingon on December 3, 2021, and aired on December 17, 2021, at ONE: Winter Warriors II. He won the fight via knockout in the second round.

Kwon faced Fabrício Andrade on June 3, 2022, at ONE 158. He lost the fight via a body kick knockout in the first round.

Kwon was scheduled to face Mark Abelardo on November 19, 2022, at ONE on Prime Video 4. However, on November 4, it was announced that the bout was moved to ONE 163. He won the fight via technical knockout in the third round.

Kwon faced Artem Belakh on June 10, 2023, at ONE Fight Night 11. He won the fight via TKO in the second round.

Kwon faced Shinechagtga Zoltsetseg on January 14, 2023, at ONE Fight Night 18. He won the fight via technical knockout in the round two.

Kwon faced Fabrício Andrade in a rematch for the ONE Bantamweight World Championship on January 24, 2025, at ONE 170. He lost the fight via first round technical knockout.

On August 19, 2025, it was reported that Kwon was removed from ONE roster, despite as electing to waving its matching rights after his contract expired.

Dana White's Contender Series Kwon faced Juan Diaz on October 14, 2025, at Dana White's Contender Series 86. He lost the match by KO in the second round.

Titles and accomplishments Professional ONE Championship Performance of the Night (Two times) Most finishes in ONE Bantamweight Division (9)

Mixed martial arts record Loss

Juan Díaz KO (spinning back elbow) Dana White's Contender Series 86

Las Vegas, Nevada, United States Loss

Fabrício Andrade TKO (punch to the body) ONE 170

Bangkok, Thailand Win

Shinechagtga Zoltsetseg TKO (elbows) ONE Fight Night 18

Bangkok, Thailand Win

Artem Belakh TKO (punches) ONE Fight Night 11

Bangkok, Thailand Win

Mark Abelardo TKO (knee and punches) ONE 163

Kallang, Singapore Loss

Fabrício Andrade KO (body kick) ONE 158

Kallang, Singapore Win

Kevin Belingon KO (punch to the body) ONE: Winter Warriors II

Kallang, Singapore Win

Chen Rui TKO (punches) ONE: Unbreakable 2

Kallang, Singapore Win

Bruno Pucci TKO (punches) ONE: Inside the Matrix 4

Kallang, Singapore Loss

Shoko Sato Submission (rear-naked choke) ONE: Fire & Fury

Pasay, Philippines Win

Sunoto Peringkat TKO (punches) ONE: Century – Part 1

Tokyo, Japan Loss

Koyomi Matsushima Decision (unanimous) ONE: Legendary Quest

Shanghai, China Win

Eric Kelly TKO (punches) ONE: Roots of Honor

Pasay, Philippines Loss

Masakazu Imanari Submission (heel hook) ONE: Call to Greatness

Kallang, Singapore Win

Anthony Engelen TKO (punches) ONE: Eternal Glory

Jakarta, Indonesia Win

Toshihiro Shimizu Decision (split) NeoFight 14

Cheongpyeong, South Korea Win

Arlan Faurillo TKO (punches) URCC Bets 7

Manila, Philippines Win

Kim Sung-hyun Submission (rear-naked choke) Top FC 8

Seoul, South Korea Win

Hirotaka Miyakawa TKO (punches) DEEP 66 Impact

Tokyo, Japan