Claim: Sony Dwi Kuncoro, born in 1984, was the champion of the Men's singles event of the 2009 Indonesia National Badminton Championship with a score of 21-17, 22-20.
Evidence: Sony Dwi Kuncoro (born 7 July 1984) is a badminton singles player from Indonesia. Men's singles Indonesia Sony Dwi Kuncoro 21-17, 22-20