Thailand's Kunlavut Vitidsarn fought back to defeat Japan's Kodai Naraoka 19-21, 21-18, 21-7 in the men's singles final at the world badminton championships Sunday.After taking a close second game, third-seeded Kunlavut raced out to a 10-1 lead against a tiring fourth-seeded Naraoka in the third in a battle of 22-year-olds that took nearly 2 hours on the final day of the championships in Copenhagen.Kunlavut had also defeated Naraoka in the final of the 2018 world junior championships."The second game could have gone either way, and it can't be helped," Naraoka said. "Overall, I'm happy to e…READ FULL ARTICLE