 However, he lost his no.1 status in numerous occasions as well, as he underperformed in matches.Anyway, under the management of Winfried Schafer, which was appointed as Thailand's head coach in July, 2011, Sinthaweechai firmly regained his first team regular in Thailand national team so far, especially in 2014 Asian World Cup Qualifying section which he earned many positive comments from the media and fans regarded to his performances against Australia.Sinthaweechai was also a member of the victorious T&T Cup 2008 winning squad.