The Sportswriters Association of Thailand voted him their 2013 "Fighter of the Year". Panpayak was undefeated in 2013. In May 2014, Panpayak fought Ponakrit Sorjor Wichitpidriew at the Lumpini Stadium. He won the fight by a unanimous decision. Panpayak was scheduled to fight
Wanchalong PK.Saenchai in June 2014 at the Lumpini Stadium. He won the fight by a fifth round TKO. He won the
Lumpini Stadium Bantamweight title in August 2018, through a decision win over
Suakim Sit Sor Thor Taew. Panpayak was scheduled to fight
Prajanchai P.K.Saenchaimuaythaigym for the Lumpini Stadium Bantamweight title. He had three months previously lost the title to Prajanchai. Panpayak regained the title by a unanimous decision. Panpayak made his
ONE Championship debut in September 2019, when he was scheduled to fight Masahide Kudo. He won the fight by a unanimous decision. He fought
Superlek Kiatmuu9, for the seventh time, during ONE Championship: No Surrender. Superlek won the fight by a unanimous decision. Panpayak faced
Savvas Michael in the quarterfinals of the
ONE Muay Thai Flyweight Grand Prix at
ONE on Prime Video 1 on August 27, 2022. He won after knocking out Michael with a head kick in the second round. Panpayak was scheduled to face
Superlek Kiatmuu9 in the
ONE Flyweight Muay Thai World Grand Prix Tournament final bout on October 22, 2022, at
ONE on Prime Video 3. However, Superlek withdrawn from the event due to training injuries. The pair was rescheduled to meet at
ONE 164 on December 3, 2022. At weigh-ins, the pair failed to make weight in the flyweight division and disqualified from the tournament, agreed to compete in the 138 lbs catchweight. He lost the fight by split decision. ==Titles and accomplishments==