Ponsana won the match to advance to the semi-finals .
Thailand 's Boonsak Ponsana performs a traditional Thai greeting after defeating Singapore 's Ronald Susilo in their men 's singles quarter - final badminton match at the Athens 2004 Olympic Games August 18 , 2004 .
Ponsana won the match to advance to the semi-finals .
Thailand 's Boonsak Ponsana performs a traditional Thai greeting after defeating Singapore 's Ronald Susilo in their men 's singles quarter - final badminton match at the Athens 2004 Olympic Games August 18 , 2004 .