 Complete the following phrase:  After winning the England Under-15 Championship in 1998, Selby turned professional in 1999, aged 16. He made his Crucible debut in 2005 and reached his first World Championship final in 2007, when he was runner-up to John Higgins. He won his first major title at the 2008 Masters and his first ranking title at the 2008 Welsh Open. Between 