2018 World Snooker Championship The win came 15 years after Williams' second world title in 2003 and he became, at the age of 43, the second oldest winner at the Crucible. Three-time world champion Mark Selby had won the title for the previous two years but lost in the first round 4–10 to Joe Perry. The 2018 World Snooker Championship was held on 21 April to 7 May 2018 at the Crucible Theatre in Sheffield, England. This was the 42nd consecutive year that the tournament was held at the Crucible, and the 50th consecutive year the championship was contested through the modern knockout format.
Mark Selby defeat. Despite this he finished the season as the world number one for the fourth year in a row. Selby's first semi-final of the season came at the International Championship courtesy of knocking out Neil Robertson 6–4, but he lost 9–4 to John Higgins. Selby did not drop a frame in reaching the third round of the UK Championship and saw off Jamie Jones 6–5, admitting later that his opponent had deserved to win the match. He then eliminated Dechawat Poomjaeng and Matthew Selt both 6–1, before being whitewashed 6–0 by Robertson in the semi-finals. Selby lost in the quarter-finals