A Round 2 match between Blacktown Workers Sea Eagles and South Sydney Rabbitohs was postponed due to wet weather.
Due to the cancellation of the competition, a final Series was not held for the 2021 Knock on Effect New South Wales Cup.
[5] Notes: Due to the cancellation of the competition, a final Series was not held for the 2021 Denton Engineering Cup.
Notes: Due to the cancellation of the competition, a final Series was not held for the 2021 Ron Massey Cup.
[1] The ladder below reflects the 9 out of scheduled 15 rounds that were completed prior to the suspension and subsequent cancellation of the competition.
Notes Due to the cancellation of the competition, a final Series was not held for the 2021 Mojo Homes Illawarra Cup.
Due to the cancellation of NSWRL major competitions in August, the planned four-team knock-out series for the 2021 President's Cup was not held.
Notes: Due to the cancellation of the competition, a final Series was not held for the 2021 Jersey Flegg Cup.
[19] The 2021 Andrew Johns Cup competition was won by Central Coast Roosters' captain, James Miller, was named Player of the Match.
In addition, the programme included two matches between Newcastle and Illawarra representative teams – in Under 20s and Open Age categories.
The following players were selected, from Ron Massey Cup clubs, into the City Men's Open Age team.