Rambaa Somdet made his mixed martial arts debut against Takumi Yano in 2001 during Deep 3 Impact.
[10] Briefly leaving Shooto he was scheduled to fight for the PFC flyweight title, but was forced to withdraw with injury.
[14] He was scheduled to defend his title against Junji Ito at "Shootor's Legacy 2" on March 12, 2011,[15] however the bout has been pushed back to April 29, 2011.
[16] On April 16, 2011, Shooto announced Somdet was vacating his title due to a partially torn left biceps.
His 11 fight winning streak was snapped at PXC 46, losing a close split decision to Cristiano Pitpitunge.
[21] His last mixed martial arts fight came at Shooto - Torao 15, when he won a unanimous decision against Masayoshi Kato.