The 2020 Championship League (also known as the BetVictor Championship League Snooker 2020) was a professional ranking snooker tournament that took place from 13 September to 30 October 2020 in the Ballroom, Stadium MK in Milton Keynes, England.

It featured three rounds of round-robin groups of four, before a best-of-five final.

It was the 15th edition of the Championship League, and it was a ranking tournament for the first time.

Ryan Day made his second career maximum break in the final frame of his match against Rod Lawler, and John Higgins made his 11th career maximum in the final frame of his match against Kyren Wilson.

Kyren Wilson won the tournament with a 3–1 final victory over Judd Trump.

[3] Two groups were played to a finish every day during two blocks of eight days, from 13 to 20 September and from 28 September to 5 October, using a two-table setup in the arena.

Group positions were determined by points scored, frame difference and then head-to-head results between players who were tied.

Places that were still tied were then determined by the highest break made in the group.

Anthony Hamilton was originally due to take part in this group, but withdrew and was replaced by Daniel Womersley.

Daniel Wells was withdrawn from the group after a positive COVID-19 test.

Mark Williams was to take part in this group, but withdrew and was replaced by Haydon Pinhey.

[8][9] Lei Peifan was withdrawn from the group after an invalid COVID-19 test.

Ronnie O'Sullivan was originally due to take part in this group, but withdrew and was replaced by John Astley.

Key:  P = Matches played; W = Matches won; D = Matches drawn; L = Matches lost; FW = Frames won; FL = Frames lost; FD = Frame difference; HB = Highest break A total of 90 century breaks were made during the tournament.