Martin Gould was the defending champion, having won the 2019 edition of the tournament, beating Jack Lisowski 3–1 in the final.

Scott Donaldson won the tournament, having qualified from group four and defeated Graeme Dott 3–0 in the final.

The Championship League was a professional snooker event that took place between 7 October 2019 to 5 March 2020 at the Morningside Arena in Leicester, England.

Group 1 was played on 7 and 8 October 2019, where Neil Robertson defeated Ryan Day 3–2 in the final.

[9] After this, Selby and Barry Hawkins declined to continue, and were replaced by Xiao Guodong and Ben Woollaston, but both were eliminated in the third group.

[7] Mark Williams won all six of his group matches, but lost in the first round against David Gilbert 2–3.

[14] On 8 and 9 January 2020 in group six; Judd Trump won after a 3–1 victory over Graeme Dott.

On the first day, Trump made his 700th career century break in his round-robin match against McGill.

[18][19] The four players who qualified from the Winner's Group were Trump, Dott, McGill and Donaldson.

[22] Due to the additional prizes for frame wins, Donaldson was awarded a total of £20,700 throughout the tournament.

Barry Hawkins and Mark Selby withdrew from the tournament prior to group 3 play.

Graeme Dott was the seventh and final player to qualify for the Winners' Group.