Adelaide strikers 119 for 4 (Wolvaardt 47, Patterson 36*, Smith 3-16) won Sydney Thunder 118 for 6 (Athapathu) with six wickets
The Strikers have a bowling attack of economy and variety and as a group they found their groove to restrict the Thunder to 118 for 6.
When Heather Knight fell to Gemma Barsby, the Thunder were 32 from 3 in the seventh. The pacey opener Chamari Athapaththu was nimble but was well contained by the bowlers. McGrath, who eliminated Athapathu, also bowled Marizanne Kapp in the ninth round.
Smith found herself on a hat-trick when she removed Mack and bowled McGrath with a beauty that spun between bat and pad.
Three teams are now level on 14 points, with Perth Scorchers leading the way in terms of net run rate. There is a huge incentive to finish first because it means a direct route to the Grand Final while the second-placed team hosts the Challenger Final. The third and fourth-place finishers must win two knockout matches to reach the final.