Peel Thunder won't play in the WAFL finals after suffering a four-point loss to Swan Districts.
The Thunder sit two games outside the top five with one game to play in the regular season.
Peel took a five-point advantage into the last quarter but were unable to hold on in the 7.6.48 to 6.8.44 loss.
Ben Howlett kicked two goals, executed 16-tackles and gathered 27-disposals in a near best of ground performance.
The Thunder are back at home for the final time of the season against Perth on Saturday.