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.
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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.
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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.
King of Pancrasists Bantamweight Title (as of 2023-12-24)
* Bolded letters in the competitor's name, if any, indicate the surname/family name.
Inoue Manabu
2008-12-07
Tōkyō
Defeats Kawahara Seiya to become the first champion.
Ishiwatari Shintarō
2011-12-03
Tōkyō
Rafael Silva defeats Ueda Masakatsu on 18-05-20 in Tōkyō for interim title; Ishiwatari vacates his title on 19-04-16.
Rafael Silva
2019-04-16
Interim champion since defeating Ueda Masakatsu on 18-05-20 in Tōkyō; promoted to undisputed champion on 19-04-16 when Ishiwatari vacates his title.
Nakajima Taichi
2022-10-07
Interim champion since defeating Imura Rui on 21-12-12; promoted to undisputed champion on 22-10-07 when Silva vacates his title; also defeats interim champion Tajima Ryō on 23-04-30; vacates on 23-11-16 in order to focus on winning RIZIN title.