With only one spot left in the grand finals, all four junior teams had everything to play for.
The Southern Highlands Hockey Association under-13 and under-15 preliminary finals were played earlier this week.
In the under-13 competition, Robertson kept Bowral Warriors scoreless in their 2-0 victory.
They will now face Mittagong Cheetahs in next week’s grand final.
In the under-15 preliminary final, Bowral Vikings had a 5-3 win over Mittagong Lions.
The Vikings will take on Mittagong Cougars in the decider.
Both grand finals will be held on Tuesday, September 18 at Welby Hockey Fields.
The under-13 match will start at 5.30pm and will be followed by the under-15 game at 6.45pm.
On Saturday, September 15, the under-11 grand finals will be played from 10.30am.
Mittagong Cougars will take on Bowral Vikings while Moss Vale Red will be up against Burrawang Revels.