Osawa's fight record is 21-11-2 and has competed in many of the top organisations such as
Shooto,
WEC,
DREAM and
DEEP. He was scheduled to fight
Brazilian jiu-jitsu ace
Rani Yahya on August 9, 2009, at
WEC 42, but due to a foot injury, he was replaced by John Hosman. Osawa lost via unanimous decision to
Antonio Banuelos on November 18, 2009, at
WEC 44 and was subsequently released from the promotion. Osawa made his DREAM debut against
Yoshiro Maeda at
DREAM.14 on May 29, 2010, winning a close split decision. On April 29, 2014, Osawa retired after losing a rematch to
Takafumi Otsuka, a fighter Osawa had previously beaten in 2011. ==Career titles==