The 2018 Championship League was a professional non-ranking snooker tournament taking place from 2 January to 29 March 2018.

The defending champion John Higgins retained his title with a 3–2 final win over Zhou Yuelong.

[2] Martin Gould and Luca Brecel both made their maiden official maximum breaks in this tournament.

Gould achieved his maximum in the deciding frame of his Group 6 round robin match against Li Hang.

Brecel achieved his in the third frame of a 3–0 whitewash of defending champion John Higgins in their Group 7 round robin match.

[11] Barry Hawkins, Shaun Murphy and Liang Wenbo withdrew from the tournament and were replaced by Joe Perry, David Gilbert and Ben Woollaston.

In the final, John Higgins defeated Zhou Yuelong 3–2 to retain his Championship League title and win it for the second time in his career.

(3) Barry Hawkins, Shaun Murphy and Liang Wenbo withdrew from the tournament prior to Group 5 play.