The Royals scored 54 runs in their last three overs and that turned out to be a decisive factor.
Shoaib Malik and Andre Russell have proven their worth with bat and ball throughout the tournament.
In the Qualifier 1, Mohammad Amir's six-wicket haul blew away the Royals.
Shoaib Malik tried to pull off a single-handed effort with a 50-ball 80, but he didn't get much support from the others.
Rilee Rossouw is expected to replicate his influential form with the bat in the next match for his side.
It's a chance for both sides to qualify for the Final.
In their previous meeting the Platoon beat the Tigers by 12 runs.
For the second time in the BPL, Mushfiqur was unlucky to end in the 90s.
Rilee Rossouw is in red hot form with the bat in the ongoing tournament.
Cumilla Warriors is expected to come out as the winners.