[2] Asahi fought for the Lumpinee Stadium Japan Super Bantamweight title in June 2019,[3][4] and won by a second round left hook KO.
[5] Shinagawa made his ONE Championship debut during the ONE Japan Series: Road to Century event, against Satsuma Sazanami.
He challenged Petchawalit Sor.Chitpattana for the IBF & WBC Muay Thai World Bantamweight titles.
[7] In February 2020, Asahi fought Sing-Udon Aor.Aood-Udon for the WBC Muay Thai World Super Bantamweight title.
[10] Shinagawa fought Jomrawee Refinas Gym for the IMC Featherweight title at BOM WAVE 03.