 Complete the following phrase:  Mei made his debut on the Main Tour in the a href2009E280931020snooker20season20092010 seasona, as the ACBS Asian nomination, playing his first match at the 2009 Grand Prix. He lost 50 to Patrick Wallace, and was defeated in his next two matches, in the UK Championship and the Welsh Open, to Atthasit Mahitthi and Stephen Rowlings respectively. Mei recorded his first win as a professional in the 2010 China Open, where he beat Noppadol Sangnil 54, having trailed 42, but lost in the next round, 51 to Robert Milkins. After losing in qualifying for the 