Mark Selby of both the Masters and Welsh Open to Ronnie O'Sullivan, but won the Gdynia Open with a 4–1 victory over Martin Gould. Before the World Championship Selby withdrew from the PTC Finals and China Open due to personal reasons. He beat Robert Milkins 10–6, Sam Baird 13–11 and Kyren Wilson 13–8 to face Marco Fu in the semi-finals. Selby drew level at 12–12 thanks to winning a 76-minute frame, the longest in Crucible history and went on to win 17–15 with an excellent snooker on the brown in the final frame. He took a 6–0 lead over Ding Junhui in
Mark Selby the final and eventually won 18–14. His second World Championship crown saw him finish at number one in the world rankings for the fifth year in a row. Selby won his first title of the season at the Paul Hunter Classic by beating Tom Ford 4–2. His semi-final with Stuart Bingham at the Shanghai Masters was a meeting between the top two ranked players in the world and Selby won 6–5, having been 5–3 behind. After taking an early 3–1 advantage over Ding Junhui in the final, Selby was ousted 10–6. He was beaten 6–2 by Judd Trump in the