Mark Selby in the first round of the UK Championship, scoring 6 breaks over 40 in those five frames. On 17 January 2010, Selby won his second Masters title after reaching the final for the third time in as many years in a repeat of the previous year's final, where he lost to Ronnie O'Sullivan. O'Sullivan took a commanding lead at 9–6 leaving him just one frame from victory, but Selby played some of his best snooker of the season to overcome the three-frame deficit, taking the championship 10–9 and the £150,000 winner's cheque. At the 2011 China Open, Selby beat Tian
Mark Selby second round of the China Open with a neck injury. His withdrawal was also a precautionary measure to be ready for the upcoming World Championship, which Selby declared himself fit for the week before the event. He played Barry Hawkins in the first round and was beaten 3–10. After the match Selby admitted he had only managed nine hours of practice in the lead up and that there were certain shots he was physically unable to play. Despite the disappointing end to the season Selby was guaranteed to end it ranked number one following Judd Trump's early exit from the