Tornadoes Black notched up a 23-point win over Bulls in Round Seven of the Bunbury Basketball Association's 2019/2020 Women's competition.
Both teams were neck-and-neck, before Tornadoes Black secured a four-point half-time lead.
Thanks to Ebony Bilcich (22 points) and Javene Fitch (20, including six free throws), the reigning premiers led by 12 at the final change.
Shooting 18 points to six in the fourth, the side came away with a 65 to 42 win.
Bulls' star Skye Palmer (12) landed four three-pointers in last week's clash.
Leading from start to finish, Aces Sky scored a devastating 59-point victory over the Eaton Eagles.
After posting a 13-point lead at quarter time, Aces Sky widened the gap in the second term.
In front by a whopping 45 points at three quarter time, the side went on to celebrate an 86 to 27 win.
Aces Sky's Abbey Hall (31) landed all 15 of her field goal attempts.
Teammates Leah York and Anita Reca claimed 14 points each, while Eaton's Tamara Colbung and Korrine Bennell (four each) were applauded for their efforts.
In Round Eight of the men's competition, Xavier Cotton (30, 11 two-pointers) guided league leaders Tornadoes Black to a narrow win over second-placed Aces White.
Tornadoes Black led by seven points at the first change, before nabbing a 10-point buffer at half time.
With Brody England (29) and Riley Parker (15) steering the ship, Aces White brought it back to within three points in the third term.
Jason Smith (13), Craig Kamocha (11), and Callum Heap (also 11) ensured a 94 to 85 win for Tornadoes Black.
Aces Sky moved to fourth after posting an upset win - 98 to 47 - over reigning premiers Bulls.
Five of Aces Sky's 11 players reached double figures on Friday night, while Bulls Patrick Phillips and Zac Baker sunk 15 and 12 respectively.
Tornadoes Red secured its second win of the season with an 89 to 48 thrashing over bottom-placed Eaton.
Alastair Ishigami-Sims and Kyle Jones shot 18 each for the victors, after Ryan Smoker top scored for the Eagles with 10.
The men's and women's teams will return to the South West Sports Centre on December 6.