 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.In 2018 Phetsommai became a prominent figure in the stadiums as he stayed undefeated for 9 fights over the course of a year and won the Channel 5 and Rajadamnern Stadium 112 lbs belts.He was on the shortlist for the prestigious "Fighter of the year" award.