The victory sealed a treble for St Helens as they also won the League Leaders Shield and the Challenge Cup.

The defending champions were Leeds Rhinos who beat Castleford Tigers 20–12 in the 2019 Grand Final on 11 October 2019; the 2020 competition having been cancelled due to the COVID-19 pandemic.

[6] Leeds Rhinos ended the regular season unbeaten to top the table and were joined in the play-offs by St Helens, Wigan Warriors, Castleford Tigers and York City Knights.

The Shield competition it was Featherstone Rovers who managed to go unbeaten winning all four games to secure home advantage in the semi-finals, Huddersfield Giants finished second.

[8] York were awarded a second fixture when their round 7 opponents Bradford forfeited the match, due to injuries and unavailability of players.

[9] Wakefield were forced to forfeit their round 9 match against St Helens after informing the RFL that due to COVID-19 and selection issues they would be unable to raise a team.