Picha made his debut for the Thailand senior team on 25 March 2019 in Thailand's 4–0 defeat to Uruguay in the 2019 China Cup coming on as a substitution.
In 2021, he was called up by Thailand for the 2020 AFF Championship. Picha returned to the national team in October 2023 for Thailand European tour against Georgia and Estonia.
Picha was part of 2023 AFC Asian Cup squad where he make his only appearance in the round of 16 tie against Uzbekistan.
