Yokthai Sithoar

After retired several years later. Yokthai has traveled to Japan as a Muay Thai trainer at Sendai, Miyagi Prefecture by having their own Muay Thai gym. He married with a Japanese woman who used to be a fighter in the MMA and he battled in MMA in 2010. He is defeated and never fight again until now.

He continued to fight several times but not successful. He retired from professional boxing in mid-2004.

He can defend his title at all four times by defeating the famous boxer, such as Aquiles Guzmán and Jesús Kiki Rojas, later he traveled to Japan he lost the title to Satoshi Iida a Japanese boxer who is the old rival has been draw in the past, by unanimous decision at Aichi Prefectural Gymnasium, Nagoya on December 23, 1997. He returned challenge world title again on April 23, 2000 with the new title holder Hideki Todaka at Rainbow Hall, Nagoya. The result was that he was defeated by TKO in 11th round.

On August 24, 1996 he challenge the WBA super flyweight world champion with Venezuelan title holder Alimi Goitia at Kamphaengphet Provincial Stadium, Kamphaeng Phet province, he won with TKO in the eighth round. He became the second Thai who capture WBA super flyweight world title after the legendary Khaosai Galaxy.

Because his fists were effective. He was backed by his promoter Songchai, to turn to professional boxing career in 1994 along with Pichit Chor Siriwat in junior flyweight division by Cuba's Ismael Salas is a trainer. He made four wins and was won vacant PABA super flyweight with a Russian boxer and defeated the title once, including five consecutive wins.

Yokthai Sithoar (Thai: หยกไทย ศิษย์ อ. , born December 25, 1974) is a retired Thai professional boxer who winner of the WBA super flyweight (115 lb) world champion in the late 90s. He is also Muay Thai kickboxer and mixed martial artist (MMA).