The win made Hull KR only the fifth club to claim the Super League trophy and the first outside of Wigan, Leeds, or St Helens to triumph since 2003.
Half-back Mikey Lewis was a standout player, scoring the opening try and creating another, with coach Willie Peters declaring that Lewis had “arrived” on the big stage.
Wigan's head coach Matt Peet refused to blame individual errors for their defeat, acknowledging that Hull KR took their opportunities better.
The game saw pivotal moments, including a sin-binning for Wigan's Brad O’Neill, which allowed Hull KR to score two tries with a numerical advantage.