Dunsborough's women's team is through to its first ever grand final, following two exhilarating clashes.
The team went up against minor premiers Tornadoes Black in round one of the finals series.
Dunsborough took the lead after the opening tip-off, before Tornadoes Black came back to level the scores at quarter time.
Cian Parsons (18 points) and Zaya Lily Black (12) put Tornadoes Black in front, 29 to 23, at the main break.
Shooting 37 to 27 in the second half, Tornadoes Black took home a 66 to 50 win.
Shontai Farrant (23, four three-pointers) and Cassady Anderson (16) starred in Tornadoes Red's 14-point semi-final win over Aces Sky.
Tornadoes Red took control of the contest and clinched a 35 to 23 lead at half time.
The side led comfortably throughout the remaining two terms, winning 64 to 50.
Dunsborough took on Tornadoes Red in Friday's preliminary final blockbuster.
Tornadoes Red got off to a cracking start and moved out to a 15-point lead at the first change.
Trailing 45 to 26 at half time, Dunsborough launched a remarkable comeback with help from Dana East (26), Beige Harris (24), and Adele East (19).
The scores were locked at 72-all at the end of a nail-biting fourth term.
Dunsborough dominated in overtime, before securing an 81 to 78 win.
In the men's competition, Bulls and Tornadoes Black's semi-final clash went down to the wire.
Bulls led by 45 to 34 at half time, thanks to a stellar performance in the second quarter.
Two late free throws from Paddy Phillips (34) gifted the reigning premiers with a 100 to 98 win.
Dunsborough's men's side qualified for the preliminary final with a 15-point win over Aces Sky.
Helped by Luke Deighton (27) and Wade Hitchcock (16), Aces Sky went toe-to-toe with the Oilers throughout the first half.
The Oilers landed 25 to 13 in the third term, setting them up for an 84 to 69 victory.
Tornadoes Black thrashed Dunsborough in their preliminary final.
The Tornadoes side led from start to finish, defeating the Oilers 106 to 84.
Ten players reached double figures during the high-scoring showdown.
The 2018/19 men's and women's titles will be decided on Saturday, March 9.
In the 2019 WA Country Championships, Bunbury's Men's Vets, Men's Championship, Under 15 Boys Championship, U13 Girls Championship, and U13 Boys Championship sides won their grand finals.
The Bears' U14 Boys Championship, U13 Girls - Division Two, U12 Girls Championship, U12 Girls - Division Two, and U12 Boys Championship teams finished runners-up.