Flyweight: 121-125 lbs.

Mitsuhisa Sunabe and Takuya Eizumi compete for the inaugural Pancrase flyweight championship.
1	Mitsuhisa Sunabe	def.	Takuya Eizumi	Knockout (punch) @ 4:35 of R1	Pancrase: Changing Tour 3	06.07.09
		def.	Isao Hirose	Decision (unanimous) @ 5:00 of R3	Pancrase: Changing Tour 6	10.25.09
2	Kiyotaka Shimizu	def.	Mitsuhisa Sunabe	Decision (majority) @ 5:00 of R3	Pancrase: Passion Tour 1	02.07.10
		def.	Isao Hirose	TKO (doctor stoppage) @ 3:06 of R2	Pancrase: Passion Tour 6	07.04.10
		drw.	Mitsuhisa Sunabe	Draw (time expired) @ 5:00 of R3	Pancrase: Passion Tour 11	12.05.10
		def.	Mitsuhisa Sunabe	Decision (majority) @ 5:00 of R3	Pancrase: Impressive Tour 5	06.05.11
		drw.	Seiji Ozuka	Draw (time expired) @ 5:00 of R3	Pancrase: Progress Tour 1	01.28.12
		def.	Yuki Yasunaga	Knockout (punch) @ 2:02 of R3	Pancrase: Progress Tour 14	12.01.12
		def.	Atsushi Yamamoto	TKO (soccer kicks) @ 4:54 of R1	Pancrase: Pancrase 257	03.30.14
Kiyotaka Shimizu vacates the Pancrase flyweight championship after losing a non-title bout to Ryuichi Miki. Ryuichi Miki and Yuki Yasunaga compete for the vacant Pancrase flyweight championship.
3	Ryuichi Miki	def.	Yuki Yasunaga	Decision (unanimous) @ 5:00 of R5	Pancrase: Pancrase 279	07.24.16
4	Mamoru Yamaguchi	def.	Ryuichi Miki	Decision (split) @ 5:00 of R5	Pancrase: Pancrase 285	03.12.17
5	Senzo Ikeda	def.	Mamoru Yamaguchi	Decision (unanimous) @ 5:00 of R5	Pancrase: Pancrase 289	08.20.17
		def.	Yuya Wakamatsu	TKO (knees & elbows) @ 2:18 of R5	Pancrase: Pancrase 293	02.04.18
Senzo Ikeda goes inactive in Pancrase while competing in ONE Championship. The Pancrase flyweight championship is not defended during this time yet remains occupied by Ikeda Masatatsu Ueda and Shohei Masumizu compete for the interim Pancrase flyweight championship.
INT	Shohei Masumizu	def.	Masatatsu Ueda	TKO (punches) @ 4:50 of R2	Pancrase: Pancrase 307	07.21.19