The Crusaders fell short in their bid to reach the Trans-Tasman showpiece match, which will be contested by the Blues and Highlanders.
The Blues and the Crusaders made it four wins from four in their Super Rugby Trans-Tasman campaigns by beating the Reds and Western Force.
Teams from New Zealand continue to dominate Super Rugby Trans-Tasman after the Hurricanes thrashed Western Force.
The Hurricanes and the Highlanders each made it two wins from two games in Super Rugby Trans-Tasman.
Tense finishes went in the favour of the Crusaders and the Chiefs in Super Rugby Trans-Tasman, while the Blues were emphatic victors.
The Brumbies will go in search of back-to-back Super Rugby AU titles when they face the Reds at Suncorp Stadium next weekend.
A thrilling contest between Western Force and Waratahs was settled in the hosts' favour when Domingo Miotti struck late on.
The Rebels failed to turn dominance into points and were shocked as a late try secured victory for the Western Force on Friday.
Len Ikitau and Andy Muirhead scored twice to set the Brumbies on their way to a 42-14 victory over Western Force on Friday.
Western Force pushed hard for a late comeback but the 14-man Rebels survived to record an important victory.