It's curtains for the loser of the Thunder v Stars clash in western Sydney while the winner will face the Sixers on Friday night for a place in the final.
The Hurricanes meet the Sixers on Tuesday night in Hobart with a spot in the BBL14 Final up for grabs.
It's win and you're in for the Melbourne Stars when they host the Hobart Hurricanes at the MCG in the final regular season match of BBL 14 on Sunday night.
Both the Scorchers and Strikers remain mathematical chances to qualify for finals with a win at Optus Stadium on Saturday night.
Both the Renegades and the Heat must win on Saturday night at Marvel Stadium to be any hope of playing finals.
We'll get a Big Bash finals preview on Friday night at the SCG when the Sixers host the Thunder in the second Sydney Derby of the season.
The Heat have it all to play for when they host the red hot Hurricanes on Wednesday night at the Gabba.
The Strikers need a win at home to keep pace with the top four but they face a tough task in the Sydney Sixers.
The Hurricanes can end the Renegades' campaign with a win at Ninja Stadium in Hobart on Tuesday night.
It's a must-win match for the typically dominant Perth Scorchers when they travel to Sydney to face the Thunder.