Mark Selby with a shock 3–5 defeat to Andrew Pagett in the qualifying rounds of the 2013 Wuxi Classic. The tournament was the first to use a new format that required top-16 players to compete in qualifiers. In minor-ranking tournaments, Selby was runner-up in the Yixing Open, where he lost 1–4 to Joe Perry, and the Rotterdam Open, where he lost 3–4 to Mark Williams. He won the Antwerp Open, defeating Ronnie O'Sullivan 4–3 in the final. In December, in the seventh frame of his UK Championship semi-final against Ricky Walden, Selby compiled snooker's 100th officially recognised maximum break in professional competition.
2018 World Snooker Championship They included Ronnie O'Sullivan (five titles: 2001, 2004, 2008, 2012–13), John Higgins (four titles: 1998, 2007, 2009, 2011), Mark Selby (three titles and two-time defending champion: 2014, 2016–17), Mark Williams (two titles: 2000 and 2003), Shaun Murphy (one title: 2005), Graeme Dott (one title: 2006), Neil Robertson (one title: 2010), and Stuart Bingham (one title: 2015). O'Sullivan was making his 26th consecutive appearance in the final stages of the World Championship since his debut in 1993. This is one short of Stephen Hendry's record of 27 consecutive appearances and four short of Steve Davis's record of 30 total appearances. Five