Peel Thunder defeated reigning premiers Subiaco by four points at Domain Stadium on Sunday.
The match was postponed to Sunday and relocated after a final assessment of turf conditions at Leederville Oval on Saturday.
Matt de Boer led Peel's disposal count with 36 touches, while Zac Clarke dominated the hit-outs with 37.
The win puts Peel in third place on the league ladder.
PEEL THUNDER: 3.3 5.4 8.7 11.8 (74)
SUBIACO: 2.3 6.5 8.8 10.10 (70)
Peel Thunder have a bye next weekend.