Some close contests in Central Wimmera Tennis Association's penultimate week determined who made it through to their division's grand finals.
In A Special, Brimpaen finished strongly to get past Natimuk 8-91 to 6-76.
Natimuk took an early lead in the match, winning three of the first four doubles contests and splitting the singles to be up 5-3.
But Brimpaen came home strong, winning all but one of the final doubles contests to post an 8-91 to 6-76 victory.
Brimpaen will take on Central Park Red in the grand final this week.
In A Grade, Central Park proved too good for Horsham Lawn with a 9-85 to 3-73 victory. They will face St Michael's in the decider on Saturday.
In B Special, Drung South won through to the grand final with a tight two-set victory against Horsham Lawn.
Drung South fought back after losing the first four doubles contests, ultimately prevailing 9-74 to 7-60.
The team will play Natimuk for the premiership.