Lerdsila Chumpairtour

Lerdsila Muaythai Iyarin (born October 22, 1981) is a Thai kickboxer.

Lerdsila is a multiple-time Muay Thai world champion (WMC, WBC, WLF, WPMF, WCK) and three-time Rajadamnern Stadium champion across three weight classes.

He first began training in Muay Thai at the age of 7 under his father’s tutelage and had his first bout that same year.

Lerdsila then moved to Bangkok when he was 12 years old to pursue a career in professional Muay Thai, training at Jocky Gym which created many legendary fighters such as Saenchai, Somrak Khamsing, Silapathai, and Rolek Kaennorasing.

Lerdsila has competed countless times at the famed Lumpinee and Rajadamnern Stadiums, even claiming the prestigious Rajadamnern Muay Thai World Title in three different weight classes.

! style=background:white colspan=9 |Wins 2013 World Combat Games Muay Thai -63.5kg Silver Medal.

In 2015, Lerdsila moved to train at Phuket Top Team.

Outside of fighting, Lerdsila enjoys association football, music, and singing karaoke.

Lerdsila developed his style through a long period of training in Jocky Gym, where fighters were trained to be fast, elusive and technical oriented.

Lerdsila explained that he likes to mix Muay Thai with techniques he saw in other martial arts such as Taekwondo, Karate and Boxing.

Lerdsila doesn't take fights too seriously: he doesn't care about winning or losing, but to have fun during fights by taunting, keep his opponents guessing, making them angry to break their concentration during fights.

People call Lerdsila "The Eel on a skateboard" because of how evasive he is; Lerdsila is extremely good at incorporating the Teep and head movements into his defense, especially countering flashy, explosive kicks of his opponents.

"“No matter who was kicking, I would always see it coming and just lean back,” - Lerdsila"

But, no matter the opponent or where ever he fought, Lerdsila says he went out to fight and enjoy it.

After 200 fights, he said the most important thing in the sport is to enjoy what you're doing.

Most importantly, Lerdsila says respecting your opponents is the most important thing when Thai boxing, which led to his style of fighting being fun and playful.

He fought Wei Ninghui during Kunlun Fight 23.

Lerdsila won a unanimous decision.

Lerdsila suffered decision loss to Deng Zeqi during the 2015 Wu Lin Feng & WCK Muaythai: China vs USA event.

Lerdsila fought Tang Yao in January 2016.

He won a unanimous decision.

He fought Zheng Kai in June 2017, winning the fight by a unanimous decision.

Lerdsila fought Kang En during the 2017 Hero Legend event.

The fight went into an extra fourth round, where Lerdsila won a decision.

On June 23, 2018, Lerdsila made his ONE Championship debut at ONE Championship: Pinnacle of Power, where he defeated Sok Thy by split decision.

On November 17, 2018, he faced Sok Thy a second time at ONE Championship: Warrior's Dream, where Lerdsila won by unanimous decision.

On April 12, 2019, Lerdsila defeated Kohei "Momotaro" Kodera by unanimous decision at ONE Championship: Roots of Honor.

On August 16, 2019, he faced Michael Savvas at ONE Championship: Dreams of Gold.

Savvas lost by TKO when he was thrown and landed at an awkward angle on his elbow.

In the last ONE event of 2019, Lerdsila faced Elias Mahmoudi at ONE Championship: Mark Of Greatness on December 9, 2019.

He would lose by unanimous decision, marking his first loss in ONE Championship.

Lerdsila has said he never intends to fully leave the sport of Muay Thai said after his pro fighting career is finished, he intends to open his own gym to train the next generation of fighters.

Muay Thai

! style=background:white colspan=9 |Wins the Suk Muay Femur 63.5kg title.

! style=background:white colspan=9 |Wins the Hero Legends World title.

! style=background:white colspan=9 |Defends WLF Muaythai Lightweight World title.

! style=background:white colspan=9 |Won WLF Muaythai Lightweight World title.

! style=background:white colspan=9 |Loses WCK Muaythai Lightweight World title.

! style=background:white colspan=9 |Wins Rajadamnern Stadium Super Bantamweight title (122 lbs / 56.341 kg).