Mark Selby Open, losing 1–4. Selby won his first ranking title of the 2017/18 season by retaining the International Championship after surviving a fightback from Mark Allen, who trailed 3–8 and 7–9 in the final but the Englishman prevailed 10–7. As 2017 World Snooker Champion, Selby automatically qualified for the 2017 Champion of Champions. However, he lost in the quarter-finals to Luca Brecel by a scoreline of 4–6. At the 2017 Shanghai Masters, Selby crashed out to 2011 finalist Mark Williams in the quarter-finals 3–5. Selby's reign as the UK champion came to an end with a 3–6 defeat to Scott Donaldson
2016 World Snooker Championship 16 in the rankings for the first time. Mark Selby led another qualifier Sam Baird 11–7 before Baird won four consecutive frames to level at 11–11. Selby then won the next two frames to clinch a place in the quarterfinals, 13–11. In addition to 45-year-old McManus, several other veteran players reached the quarterfinals for the first time in years. Four-time champion John Higgins beat Ricky Walden 13–8 to reach his first quarterfinal since 2011. Two-time champion Mark Williams defeated Michael Holt, also 13–8, to get past the second round for only the second time since 2006. Marco Fu defeated Anthony