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 second of the season after Robertson), and also the twelfth player to win the World and UK Championship double in their career. In winning the world title, Selby also retook the world number one spot. In the first ranking event of the season, the Wuxi Classic, Selby lost 3–5 to Liang Wenbo in the last 32. He won the minor-ranking Riga Open, defeating Mark Allen 4–3 in the final, but lost 5–6 to Allen in the semi-final of the ranking Shanghai Masters. He suffered a surprise early exit in the last 128 of the ranking International Championship when 19-year-old tour