 His best run of form in the 2011–12 season came in qualifying for the first ranking event, the Australian Goldfields Open.He beat Stuart Carrington, Andy Hicks and Tony Drago, before losing to former world champion Ken Doherty 5–2 in the final qualifying round.MacKenzie played in 10 of the 12 minor-ranking Players Tour Championship events throughout the season reaching, but not progressing past, the last 32 on three occasions.