Satoru Kitaoka defeated Tatsuya Kawajiri by Split Decision in round 3 (5:00) in the Lightweight main event of RIZIN Heisei's Last Yarennoka!, held Monday, December 31, 2018 at Saitama Super Arena, Saitama.
RIZIN Heisei's Last Yarennoka! is an MMA event from RIZIN Fighting Federation, scheduled for Monday, December 31, 2018 at Saitama Super Arena, Saitama, Japan. 5 fights are scheduled across the card.
