Koyomi Matsushima has seven losses against seven opponents on his MMA record. For a list of Matsushima's best fights, refer to "Best fights of Koyomi Matsushima".
On January 21, 2024 Koyomi Matsushima faced off against Karshyga Dautbek in a featherweight bout at age 31. He was coming in with a record of 14-7 (8). Matsushima lost the fight via 1st-round TKO.
On October 23, 2022 Koyomi Matsushima faced off against Yi Zha in a featherweight bout at age 30. He was coming in with a record of 13-6 (7). Matsushima lost the fight via 3-round split decision.
On December 4, 2020 Koyomi Matsushima faced off against Garry Tonon in a featherweight bout at age 28. He was coming in with a record of 12-5 (7), and Tonon was 29 years old and with a record of 5-0 (5). Matsushima lost the fight via 3-round unanimous decision.
On August 2, 2019 Koyomi Matsushima fought Martin Nguyen in a featherweight title fight for Nguyen's ONE Championship title. Matsushima was 26 years old and with a record of 11-4 (6), and Nguyen was 30 years old and with a record of 12-3 (10). Matsushima lost the fight via 2nd-round TKO.
On April 15, 2018 Koyomi Matsushima fought Isao Kobayashi in a featherweight title fight for Kobayashi's Pancrase Championship title. Matsushima was 25 years old and with a record of 9-3 (5). Matsushima lost the fight via 1-round disqualification.
On December 18, 2016 Koyomi Matsushima faced off against Marlon Sandro in a featherweight bout at age 24. He was coming in with a record of 6-2 (5), and Sandro was 39 years old and with a record of 26-7-2 (13). Matsushima lost the fight via 1st-round TKO.
On April 8, 2016 Koyomi Matsushima faced off against Rolando Dy in a featherweight bout at age 23. He was coming in with a record of 5-1 (5), and Dy was 24 years old and with a record of 6-4 (3). Matsushima lost the fight via 1st-round KO.
