Here is a list of Matsushima's best fights. For a list of Matsushima's losses, refer to "Koyomi Matsushima Losses".
On December 10, 2017 Koyomi Matsushima faced off against Kyle Aguon in a featherweight bout at age 25. He was coming in with a record of 9-2 (5). Matsushima won the fight via 3-round unanimous decision.
On July 2, 2023 Koyomi Matsushima faced off against Ryuji Takashio in a featherweight bout at age 30. He was coming in with a record of 14-6 (8). Matsushima stopped Ryuji Takashio via KO.
On September 11, 2016 Koyomi Matsushima faced off against Juntaro Ushiku in a featherweight bout at age 23. He was coming in with a record of 6-1 (5). Matsushima stopped Juntaro Ushiku via choke-out.
On June 15, 2019 Koyomi Matsushima faced off against Kwon Won-il in a lightweight bout at age 26. He was coming in with a record of 11-3 (6), and Won-il was 23 years old and with a record of 6-1 (5). Matsushima won the fight via 3-round unanimous decision.
On September 21, 2015 Koyomi Matsushima faced off against Yushikazu Fujishi in a lightweight bout at age 22. He was coming in with a record of 4-0 (4). Matsushima stopped Yushikazu Fujishi via KO.
On August 20, 2017 Koyomi Matsushima faced off against Yusuke Kasuya in a featherweight bout at age 24. He was coming in with a record of 8-2 (5). Matsushima won the fight via 3-round unanimous decision.
On April 23, 2017 Koyomi Matsushima faced off against Yojiro Uchimura in a featherweight bout at age 24. He was coming in with a record of 7-2 (5). Matsushima won the fight via 3-round unanimous decision.
On February 7, 2020 Koyomi Matsushima faced off against Kim Jae-woong in a featherweight bout at age 27. He was coming in with a record of 12-4 (7). Matsushima stopped Kim Jae-woong via TKO.
On December 20, 2015 Koyomi Matsushima faced off against Daisuke Arakawa in a lightweight bout at age 23. He was coming in with a record of 5-0 (5). Matsushima stopped Daisuke Arakawa via KO.
