When Ratchanok Intanon secured the BWF World Junior title in 2009, she was just 14-years-old and the youngest winner ever. A year later the Thai youngster defended her title in Mexico and then became the first person to win the prize three years in a row when she triumphed in 2011.Among her other victories are the 2010 Vietnam and Indonesian Opens and the 2011 Copenhagen Masters. Ratchanok became the youngest women's singles winner ever of BWF World Championships in August, 2013.