In October he would once again fight abroad, this time in America, his opponent was American, Kevin Ross. This fight was for the WBC Diamond super lightweight belt and Sagetdao would win with a stoppage at the end of round 3 because of a large cut on Ross's head from an elbow. In 2012 he lost his first 3 fights. In his 4th fight of the year he beat Petboonchu FA Group, and in his 5th he beat Penek Sitnumnoi He beat Sofiane Derdega to retain the WBC super lightweight championship. He rematched Singdam Kiatmuu9 at Lumpinee on March 8, 2013 and lost on points. On 5 April 2013 he beat Umar Semata at Muay Thai Warriors in Pattaya to win the Muay Thai Warriors World Super Featherweight Title. He defended his WBC super lightweight title against Tetsuya Yamato at "M-One: Reborn" in Highland, California, USA on May 16, 2013, defeating the Japanese challenger via TKO due to a cut in round four. He lost to Pakorn Sakyotin by unanimous decision at Lumpinee on June 9, 2013. He won the four-man 68 kg tournament at "MAX Muay Thai 3" in Zhengzhou, China on August 10, 2013., beating Liam Harrison by decision in the semi-finals and defeating Zhang Dezhang after an extension round in the final. He beat two opponents on points, Andrei Kulebin in the semi-finals and Victor Nagbe in the final, to win the tournament at "MAX Muay Thai 5: The Final Chapter" in Khon Kaen, Thailand on December 10, 2013. On February 16, 2014, Sagetdao suffered his first TKO loss and first foreigner loss to Qiu Jianliang. He was rocked numerous times by Qiu's punches during the course of the fight. Finally, he was knocked down by a straight left punch to the chin. The referee called the stoppage to the fight after Qiu finished him with flurry of punches in the last 10 seconds of the fight. In 2017, Sagetdao began a career in mixed martial arts. He signed for the Singapore-based organization ONE Championship. He made his debut that March, with a first-round TKO of Kevin Ong. He finished the year with two more first-round stoppage victories, against Mahmoud Mohamed and Jimmy Yabo. Sagetdao suffered his first defeat in MMA on June 30, 2018.