Sturt set a reasonable total of 184, thanks to Annie O’Neil (50), Rhianna Peate (44) and Alex Price (38), however the Blues were unable to hold on after Peate's dismissal, with their final three wickets falling for no runs.
Emily Johns was the pick of the Stingrays bowlers with 4/38.
Stingrays captain Jess O’Reilly led from the front making 54 from 90 balls in her side’s chase, alongside Kelly Armstrong who top-scored for the match with 64.
The Stingrays reached the required total with three overs and six wickets to spare.
West Torrens’ Lauren Ebsary fell agonisingly short of her century for the Eagles, being dismissed for 93 against Port Adelaide.
She helped her side to a competitive 8/286, with the Eagles then going on to roll Port Adelaide for just 47 runs, despite Amanda-Jade Wellington returning to the side after Australia A duties in India.
West Torrens’ Tahlia McGrath took 4/11, doing the bulk of the damage with the ball.
Northern Districts’ total of 145 proved enough against Kensington, with openers Tegan McPharlin (27) and Tabatha Saville (36) top-scoring for the Jets for the third consecutive week.
Kensington’s Bridget Patterson (50) and Eliza Doddridge (28) set a solid platform for the Browns, but a disappointing collapse meant the side was dismissed for under 30 overs, with no more batters able to crack double digits.
Doddridge (3/29) and Northern’s Neisha Iles (3/23) were the standout bowlers for the match.