Currently, He has been the head coach in Thailand Premier League side Customs Department FC.

He has led the side to the Thailand Division 1 League title in 2008.

He made several appearances for the Thailand national football team, including four 1974 FIFA World Cup qualifying matches.

[2] Chatchai was also head coach of the national team in 2004 and led the side in 2004 Asian Cup in China.

This biographical article related to a football midfielder from Thailand is a stub.