Hiroto Kyoguchi
is a Japanese professional boxer. He is a two-weight world champion, having held the IBF mini-flyweight title from 2017 to 2018, and the WBA (Super) and The Ring light-flyweight titles from 2018 to 2022. As of October 2022, he is ranked as the world's best active light flyweight by ESPN, second by the Transnational Boxing Rankings Board and third by BoxRec. Professional career Early career Kyoguchi made his professional debut against Narathip Sungsut on April 17, 2016. He won the fight by a second-round knockout. This victory was followed by four consecutive stoppage victories, during which he defeated Taweechai Yuyuet by a first-round technical knockout, Kenichi Miyazaki by a third-round technical knockout, Michael Camelion by a 33-second knockout and Junuel Lacar by a third-round knockout. He was scheduled to fight Armando de la Cruz for the OPBF minimumweight title in his sixth fight, on February 28, 2017. He won the fight by a third-round knockout. Kyoguchi was scheduled to defend his OPBF minimum against Jonathan Refugio, on April 25, 2017. He beat Refugio by unanimous decision, with the judges scoring the bout 117–111, 118-111 and 119–109 in Kyoguchi's favor. IBF mini-flyweight champion Kyoguchi vs. Argumedo Kyoguchi was scheduled to fight