Following the name of the champion(s): Indicates the number of times the competitor has held that title at that point.
[...]
Indicates a gap in the listing where title changes are not known.
<
Title was held or changed hands no later than this. In these cases, it is known that a competitor held the title at a certain time but not when he/she won it.
@
Order uncertain. Different titleholders may be known for the same year, for example, but it is not known who held the title before whom.
#
Unofficial or disputable claims. These are usually matches that certainly took place, but where there is doubt that the competitor shown should be recognized as a true title holder. These listings are also italicized.
Krush Women's Atomweight Title [45kg] (as of 2025-09-07)
* Bolded letters in the competitor's name indicate the surname/family name.
Matsushita Emi
2017-12-09
Tōkyō
Defeats COMACHI in tournament final to become the first champion; vacates on 18-10-25 in protest of the selection of Takanashi knuckle Miho, a rookie, as the next challenger.
Takanashi knuckle Miho
2019-05-18
Tōkyō
Defeats C-Zuka; vacates on 20-06-06 upon moving up to the minimumweight class.
Sugawara Miyuu
2020-11-27
Tōkyō
Defeats MOE in tournament final; also wins K-1 WGP Title on 23-03-12; vacates Krush title on 23-09-26.
Matsutani Kira
2023-11-25
Tōkyō
Defeats Okuwaki Nanal; also wins K-1 WGP Title on 25-02-09.