[3] After winning the 2014 Thai Premier League with Buriram Adisak moved to BEC Tero Sasana after the two clubs agreed to trade him with Narubodin Weerawatnodom.

In March 6, 2014, he played for Thailand against Lebanon in the 2015 AFC Asian Cup qualification, and scored a goal.

During the tournament's group stages Adisak came on as a first-half substitute for Kirati Keawsombat and scored a brace as Thailand came back to win 3-2 against Malaysia.

[5] In the first leg of the semi-finals against the Philippines he also came on as an early substitute for Kirati but he was shown a red card for an off the ball altercation with Amani Aguinaldo, although it seemed the Filipino defender had provoked the incident.

[6][7] Adisak served his one match ban and played in the final were Thailand overcame Malaysia again to claim the Championship.