Momo Koseki (小関桃, Koseki Momo; born 31 July 1982) is a Japanese former professional boxer. She is a two-weight world champion, having held the WBC female atomweight title from 2008 to 2015; the WBA female atomweight title in 2015; and the WBC female strawweight title in 2017. Koseki made a record-breaking seventeen consecutive title defenses of her WBC atomweight title. Koseki is a member of the International Women's Boxing Hall of Fame.
Source: “Momo Koseki”, English Wikipedia (CC BY-SA 4.0), excerpt
