Here is a list of Won-il's best fights. For a list of Won-il's losses, refer to "Kwon Won-il Losses".
On November 20, 2020 Kwon Won-il faced off against Bruno Pucci in a featherweight bout at age 25. He was coming in with a record of 8-3 (7), and Pucci was 30 years old and with a record of 7-4 (7). Won-il stopped Bruno Pucci via TKO.
On December 17, 2021 Kwon Won-il faced off against Kevin Belingon in a featherweight bout at age 26. He was coming in with a record of 10-3 (9), and Belingon was 34 years old and with a record of 20-8 (11). Won-il stopped Kevin Belingon via KO.
On April 12, 2019 Kwon Won-il faced off against Eric Kelly in a featherweight bout at age 23. He was coming in with a record of 6-1 (5). Won-il stopped Eric Kelly via TKO.
On April 29, 2014 Kwon Won-il faced off against Hirotaka Miyakawa in a bantamweight bout at age 18. He was coming in with a record of 1-0 (1). Won-il stopped Hirotaka Miyakawa via TKO.
On January 13, 2024 Kwon Won-il faced off against Shinechagtga Zoltsetseg in a featherweight bout at age 28. He was coming in with a record of 13-4 (12). Won-il stopped Shinechagtga Zoltsetseg via TKO.
On October 13, 2019 Kwon Won-il faced off against Sunoto Peringkat in a featherweight bout at age 24. He was coming in with a record of 7-2 (6). Won-il stopped Sunoto Peringkat via TKO.
