Top finishing Queensland will play Victoria while Western Australia will take on NSW in the semi-finals of the men's Australian Hockey League on Friday.
The last four teams were finalised after matches on Wednesday.
South Australia caused a major upset when they beat reigning champions WA 2-1 and while the loss relegated the Thundersticks to second it wasn't enough to get the HotShots into the final four.
In the other matches, Queensland Blades defeated the Canberra Lakers 6-1, the Victorian Vikings and Tassie Tigers drew 2-all and the NSW Waratahs defeated the Territory Stingers 7-0.
After the preliminary rounds, the Queensland finished on top of the table with 16 points followed by WA and NSW on 15 points, with the Thundersticks ahead on goal difference.
Victoria finished fourth on 13 points to take the last finals spot with Tasmania, SA, Canberra and Northern Territory missing out on finals action.
In the women's AHL being played in Perth, Queensland topped the points table after the final qualification matches.
WA claimed second spot on the ladder with Victoria and NSW finishing third and fourth respectively.
The semi-finals on Friday will see Queensland play NSW while WA take on Victoria.