<P> The Northern Ireland Open is a professional ranking snooker tournament . </P> <P> On April 29, 2015, World Snooker chairman Barry Hearn announced it would be added to the main tour in 2016 as the "Northern Ireland Open" at a Belfast venue, as part of a new Home Nations Series with the existing Welsh Open and new English Open and Scottish Open tournaments . </P> <Table> <Tr> <Th> Year </Th> <Th> Winner </Th> <Th> Runner - up </Th> <Th> Final score </Th> <Th> Sponsor </Th> <Th> Venue </Th> <Th> Season </Th> </Tr> <Tr> <Th_colspan="7"> Northern Ireland Open (ranking) </Th> </Tr> <Tr> <Td> 2016 </Td> <Td> Mark King </Td> <Td> Barry Hawkins </Td> <Td> 9--8 </Td> <Td> Coral </Td> <Td> Belfast </Td> <Td> 2016 / 17 </Td> </Tr> <Tr> <Td> 2017 </Td> <Td> Mark Williams </Td> <Td> Yan Bingtao </Td> <Td> 9--8 </Td> <Td> Dafabet </Td> <Td> 2017 / 18 </Td> </Tr> </Table> <Tr> <Th> Year </Th> <Th> Winner </Th> <Th> Runner - up </Th> <Th> Final score </Th> <Th> Sponsor </Th> <Th> Venue </Th> <Th> Season </Th> </Tr>

Who won the northern ireland open snooker championship