Born November 2nd 1980, orthodox fighter Chaiyong Sithsaithong started his career in October 2003 at the age of 22 and has now been pro for 12 years, fighting a total of 60 times. Sithsaithong's longest KO streak is 4 fights long out of his 60 career fights.
Sithsaithong proved he was made for the pro ranks in his debut against Sorana Sorsuthep, becoming the first person in Sorsuthep's 0 fights to stop him. The fight ended in round 2 of 0. Sithsaithong's rise in boxing continued with 30 fights against fighters such as Buriram Por palangchai, Mongkolchai Patavikorngym and Mongkolchai Patavikorngym. He had a mixed start to his career but mostly successful so far.
Taking the first knock of his career, Sithsaithong fought Saensak Singmanasak on April 27th, 2004 and was defeated by Singmanasak. Coming into the fight with high confidence Sithsaithong fought his next fight against Saensak Singmanasak on April 27th, 2004. Unfortunately, Sithsaithong was outclassed and lost the decision on the judges scorecards taking his record to 2-1-0. 22 wins followed where Sithsaithong went on to fight Mongkolchai Patavikorngym, Mongkolchai Patavikorngym and Buriram Por palangchai amongst others, prolonging his win streak.
Pushing his career further, Sithsaithong fought Thongcharoen Patavikorngym on November 5th, 2009 adding to his winning record. Sithsaithong was the 2nd person to go the distance with Patavikorngym. Sithsaithong fought Thongcharoen Patavikorngym in 2009, the result was via PTS. Sithsaithong's win streak of 18 rose to 23 following 5 great wins, becoming the first to stop Chaichana Top king gym, 5th person to stop Big m Or boonchuay (Round 4 KO) and first to stop Phanthong Sakniranrat.
Pushing his career further, Sithsaithong fought Petchthongchai Sirimongkolgym on December 28th, 2010 adding to his winning record. Sithsaithong was the 2nd person to go the distance with Sirimongkolgym. Sithsaithong fought Petchthongchai Sirimongkolgym in 2010, the result was via PTS. Sithsaithong's win streak of 24 rose to 26 following 2 wins against boxers such as Kriengkrai Sithsaithong and Fahrang Sor sakda.
Sithsaithong lost to Masatoshi Kotani in his next fight. Taking place on November 6th, 2011, Sithsaithong's career record after this fight stood at 26-7-3. Stepping up against a talented Kotani, it wasn't long before Sithsaithong found himself in trouble against Kotani early. After 3 rounds Sithsaithong lost via TKO. Kotani became the first of 36 opponents to stop Sithsaithong.
Sithsaithong entered his next fight with a mostly successful record of 39-14-4 and took this to 40 wins with a win against Unknown on February 21st, 2016 via TKO. Becoming the 94th fighter to stop in his career, Sithsaithong beat via TKO in the 3rd round of a 8 round fight.
Sithsaithong's next defeat of his career came against Rikki Naito on May 12th, 2016. Opponent Naito fought well and proved he was technically superior to Sithsaithong over the full 8 round fight. The fight came to a close after the final bell, Naito the victor on the judges decision (UD), with Sithsaithong left wondering where his career will go next.