Megaton: No Weight Limit

Yusuke Kawaguchi and Shunsuke Inoue compete for the inaugural Deep megaton openweight championship.
1	Yusuke Kawaguchi	def.	Shunsuke Inoue	Decision (split) @ 4:00 of R2	Deep: Megaton GP 2008 Final	08.02.08
		def.	Baru Harn	Decision (majority) @ 5:00 of R2	Deep: 38 Impact	10.23.08
		def.	Seigo Mizuguchi	TKO (leg kicks) @ 1:27 of R3	Deep: 44 Impact	10.10.09
		def.	Roque Martinez	Decision (unanimous) @ 5:00 of R3	Deep: Cage Impact 2009	12.19.09
Yusuka Kawaguchi vacates the Deep megaton openweight championship after leaving the promotion to compete for other organizations. Kazuhisa Tazawa and Yuji Sakuragi compete for the vacant Deep megaton openweight championship.
2	Kazuhisa Tazawa	def.	Yuji Sakuragi	Submission (rear-naked choke) @ 0:54 of R2	Deep: 52 Impact	02.25.11
3	Levan Razmadze	def.	Kazuhisa Tazawa	Submission (keylock) @ 1:29 of R1	Deep: 55 Impact	08.26.11
		def.	Ryuta Noji	Submission (armbar) @ 3:16 of R1	Deep: 57 Impact	02.18.12
Levan Razmadze is stripped of the Deep megaton openweight championship after failing to defend. Ken Hasegawa and Sergio Mizuguchi compete for the vacant Deep megaton openweight championship.
4	Ken Hasegawa	def.	Seigo Mizuguchi	Decision (unanimous) @ 5:00 of R2	Deep: 61 Impact	02.16.13
		def.	Hirohide Fujinuma	Knockout (punch) @ 4:20 of R1	Deep: 63 Impact	08.25.13
		def.	Kazuhiro Nakamura	Decision (majority) @ 5:00 of R3	Deep: 65 Impact	03.22.14
Ken Hasegawa vacates the Deep megaton championship in order to compete in the light heavyweight division. Jaideep Singh and Carlos Toyota compete for the vacant Deep megaton championship.
5	Jaideep Singh	def.	Carlos Toyota	TKO (corner stoppage) @ 5:00 of R2	Deep: 73 Impact	10.17.15
6	Roque Martinez	def.	Jaideep Singh	Decision (unanimous) @ 5:00 of R3	Deep: Cage Impact 2017	07.15.17
		def.	Ryo Sakai	TKO (punches & elbows) @ 4:49 of R1	Deep: 88 Impact	03.09.19
		def.	Seigo Mizuguchi	TKO (punches) @ 2:09 of R2	Deep: 93 Impact	12.15.19