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 went on to lose the final 4–10, receiving the runner-up prize of £90,000. In the World Open, Selby defeated Alan McManus 5–1 in the quarter-finals and Marco Fu 6–4 in the semi-finals, but lost 6–10 in the final to Shaun Murphy. At the World Championship, Selby beat Michael White 10–9, Ali Carter 13–9, and Alan McManus 13–5 to reach his first semi-final at the Crucible since 2010. He played world number one Neil Robertson in a repeat of the UK Championship final, and this time came out a 17–15 winner in a match described by commentators as