December 25, 1974
Amphoe Bang Lamung, Chonburi province, Thailand
|Native name||หยกไทย ศิษย์ อ.|
Tunk (ตึ๋ง) (nickname) |
(e.g. Fist of the Hell Cyclone) (alias)
|Height||1.70 m (5 ft 7 in)|
Super flyweight (professional boxing)|
Mixed Martial Arts (MMA)
|Fighting out of||Bangkok, Thailand|
|Team||Onesongchai Boxing Promotion (Muay Thai & professional boxing)|
|Trainer||Ismael Salas (professional boxing)|
|Professional boxing record|
|Mixed martial arts record|
|Notable relatives||Rambaa Somdet|
|Boxing record from BoxRec|
|Mixed martial arts record from Sherdog|
last updated on: August 16, 2017
Yokthai Sithoar (Thai: หยกไทย ศิษย์ อ.) 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).
Biography and career
He was born in Chonburi province, eastern Thailand and has a relative of Rambaa Somdet, a famous Thai mixed martial artist. They both trained Muay Thai together since childhood including another relative. Which later these three became prominent and successful Muay Thai kickboxers.
For Yokthai, he became a famous Muay Thai kickboxer under Songchai Rattanasuban's stable. He has the strength of a strong fist, he often defeated the contender often by knocked out with a fist. He received the nickname from Muay Thai fans "ไอ้หมัดไซโคลนนรก" (Ai-Mud-Cyclone-Na-Rok; lit: "Fist of the Hell Cyclone")
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.
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 won the world title this weight class of this organization after the legendary Khaosai Galaxy.
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.
He continued to fight several times but not successful. He retired from professional boxing in mid-2004.
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. 
- ploy (2016-04-05). ""แรมบ้า" สมเดช M-16 แชมป์โลก MMA คนแรกของไทย". news.tlcthai.com (in Thai). Retrieved 2017-08-16.
- "หยกไทย ศิษย์ อ." thaiworldboxingchampions (in Thai). 2008-08-12. Retrieved 2017-08-16.
- @anekchai (2012-06-05). "หยกไทยโดนจับที่ญี่ปุ่น !?!?". thailandsusu.com (in Thai). Retrieved 2017-08-12.
- Professional MMA record for Yokthai Sithoar from Sherdog
| WBA Super Flyweight Champion
August 24, 1996 – December 23, 1997