Phetsommai was introduced to Muay Thai at 8 years old by his father.
After only 20 days of training he started his career as Yokpetch Thanasaktransport and won his first nine fights.
At 17 years old he moved to Bangkok to join the Sor.Sommai gym and changed his ring name to Phetsommai.
[3] On August 9, 2019 Phetsommai went up in weight for a superfight of stadium champions against Lumpinee 115 lbs champion Rungnarai Kiatmuu9, Phetsommai suffered a knockdown in the third round and lost by decision.
[4] In 2023, Phetsommai opened a coffee shop in Thoen District, Lampang province.