Mark Selby in the last 64. In the first round of the Masters, Selby played against Mark Willams in a repeat of the 2017 edition. However, it was Williams who prevailed in their encounter 6–5. It was also the second time that Selby lost in a deciding frame at the tournament. Selby retained his China Open title, defeating Barry Hawkins 11–3 in the final. It was the 3rd China Open title he won in 4 years. Selby's two-year reign as World Champion came to an end at the first round of the 2018 World Snooker Championship. Facing Joe Perry, Selby trailed 2–7
Mark Selby semi-finals of the European Masters.<ref name="2016/17"></ref> Selby saw off Bingham 9–3 to reach the final of the International Championship and won the event for the first time by thrashing Ding Junhui 10–1 in the final in Daqing, China. Selby dominated the contest, winning the last seven frames in a row, in the most one-sided ranking event final since the 2012 Haikou World Open when Mark Allen beat Stephen Lee by the same scoreline. Selby made seven breaks over 50 while Ding managed a top run of just 47. In a high quality quarter-final match lasting five hours against John Higgins