Winger Ash Handley scored the only try of the game as Leeds secured a semi-final berth with an 8-0 win over Wigan in the opening Super League play-off tie.
Wigan's defeat at the DW Stadium on Thursday brings to an end Jackson Hastings' UK stint and also signalled the end of Adrian Lam's tenure as head coach.
It also leaves the Rhinos just 80 minutes away from an 11th grand final.
Richard Agar's men now face a trip to either Catalans Dragons or St Helens next week and with it a chance to win the title from fifth place for the third time.
The result also marked the end of the Wigan careers of Hastings and Oliver Gildart, as they prepare to head off to the NRL with Wests Tigers.
Former Sydney Roosters and Manly star Hastings has signed a two-year deal with the struggling Tigers while the Leichardt club will also welcome 25-year-old England centre Gildart.
Wigan, who lost 14-0 to Leeds at the DW Stadium a month earlier, had conceded just four tries in their previous four matches and there was nothing wrong with their defence.
Leeds full-back Richie Myler got a hand to a ball from Kruise Leeming's high kick and palmed it back for Handley to break the stalemate on 49 minutes.
Rhyse Martin's angled conversion made it 6-0 and he then stepped up to kick a penalty after Wigan prop Oliver Partington was pulled up for a ball steal on opposing front-rower Mickael Oledzki to put his side two scores in front.
The Rhinos' superb game management allowed them to comfortably see the game out as Wigan's disappointing season ended in front of a crowd of just 7,396.
Australian Associated Press