1998 saw the 14th edition of the Yamaha Thailand Cup. It was Thailand's main inter-provincial competition, played between qualifiers from various regions. The first round saw four groups of four teams, of which the top two sides qualified for the Quarter-Final knockout stage. Bangkok Metropolitan Administration FC beat Nakhon Si Thammarat FC in the final. Group A Bangkok Metropolitan Administration FC Phatthalung Amnat Charoen Pathum Tani Results Bangkok Metropolitan Administration FC and Amnat Charoen advance to Quarter-Final stage. Group B Phetchaburi Pichit Nakhon Sri Thammarat FC Ubon Ratchathani Results Nakhon Si Thammarat FC and Phetchaburi advanced to the next round Group C Ayutthaya Si Saket FC Phitsanulok FC Sa Kaeo Results Ayutthaya and Phitsanulok FC advanced to the next round Group D Tak Lopburi FC Samut Songkhram FC Ranong External links Official Website Football Association of Thailand Thailand Premier League FIFA Thailand - List of Champions RSSSF Yamaha