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K.R.S. Gym

The K.R.S. Gym is a traditional Muay Thai camp situated in Ubon Ratchathani. The camp boasts a number of success come out of their facilities. KRS Gym currently has a team of young fighters, which compete, in Ubon Ratchathani Stadium as well as at the famous Lumpini Stadium of Bangkok. K.R.S. Gym is known to be open for training for both local fighters as well as internationals.


K.R.S. gym started by the name of Khaisang Thanaikwam gym and was founded in 1992 by Mr. Sattawat Khaisang and Mr. Sunjorn Kramsawat, the brother of famous boxer Nueng Ubon Sitlertchai.

K.R.S. then had a few but famous boxers, which was later on joined by more famous Thai boxers.

This went on and KRS gyms activities were doing pretty good in the boxing business in Thailand until it was affected by the financial crisis of Thailand in 1997. K.R.S. gyms activities were eventually decreased but still operated for the sake of maintaining the art of Thai boxing.

Years past and in the 2003, Mr. Kozuke Sasaki, a former Japanese boxer and Thai boxing champion of Japan visited the camp because of his interest in the art of Thai boxing. During the same time Robert Cox, an English man who is highly educated in Thai boxing also joined the camp and together they re-established the gym.

They named it K.R.S. gym after three people, Kaisang, Robert, and Sasaki. During this time, boxers from abroad kept on joining the camp with some of these fighters ended up becoming world champions of Muay Thai. Some of them were Rudolf Dureka of Slovakia, Kenko Yamakami and Mazamise Hirashima of Japan, and Ole Larsen of Denmark.

Ole Larsen went on to marry a Thai woman and established his own camp called the Legacy Gym in Ubon. Cox on the other hand opened his new camp called Kaewsamrit gym in Bangkok, and Sasaki went back to Japan and opened his own Thai boxing camp called Hiroshima. Though they have left and had their own gyms, they still continue to be associated with the K.R.S Gym.

To this day, the KRS gym still continues to train both Thais and foreigners in the art of Muay Thai. The gym aims to produce qualified classical Thai boxing style and to maintain cultural art and ethics of original Thai boxers. The camp also supports those young people to join sports activities especially the orphans in the area.


  • Train like a pro with skilled Muay Thai trainers
  • Have a high volume, intense, and focused sessions
  • Muay Thai tailored according to your needs
  • Muay Thai training that will push you to your limits
  • Opportunity to fight if desired and approved by management
  • Includes accommodation

Skill level

  • Beginner
  • Intermediate


28 days with instruction in English
Spoken languages: Thai, English
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