Pancrase Progress Tour 4Sunday, April 1st, 2012 at 05:00 AM UTCPromotionPancraseVenueDiffer Ariake ArenaLocationTokyo, JapanNumber of bouts18
Main CardPrediction ModeMain CardLightweight Championship3 roundsIKWIsao Kobayashi10-1-1Lightweight Championship3 roundsVSUnanimous Decision
Preliminary CardPrediction ModePreliminary CardFeatherweight Bout2 roundsTHWTomoya Hirakawa0-0-0Featherweight Bout2 roundsVSKO/TKO, Punch | R1 · 1:20KOKoshi Obata3-6-2Featherweight Bout2 roundsRIW"Cyber"Ryo Iseki1-1-1Featherweight Bout2 roundsVSKO/TKO, Punches | R1 · 4:37YOYoshiyuki OsawaBantamweight Bout2 roundsKKDKotaro Kazama0-2-0Bantamweight Bout2 roundsVSEnds in a DrawHTDBantamweight Bout2 roundsYIDYoshifumi Ishiki0-1-0Bantamweight Bout2 roundsVSEnds in a DrawSWDBantamweight Bout2 roundsKSWKai Shimizu1-1-0Bantamweight Bout2 roundsVSKO/TKO, Punches | R1 · 1:17KSKatsuhiro SakanakaFlyweight Bout2 roundsSNDSatoshi Nakajima1-1-0Flyweight Bout2 roundsVSEnds in a DrawKADFlyweight Bout2 roundsTAWTsukasa Arai1-1-1Flyweight Bout2 roundsVSSubmission, Guillotine Choke | R1 · 1:29TOToru Ogawa