From the EFL site:
2020 Final – Saturday 13 March 2021
Portsmouth v Salford
Referee - Carl Boyeson
ARs - Michael Webb and Craig Taylor
4th Official – Trevor Kettle
Reserve AR - George Byrne
2021 Final – Sunday 14 March 2021
Sunderland AFC v Tranmere Rovers
Referee – Charles Breakspear
ARs – Geoffrey Liddle and Stuart Butler
4th Official – Robert Lewis
Reserve AR - Stephen Brown