Largs also have an Ayrshire Weekly Press cup tie against Hurlford on Wednesday August 25, 6.45pm kick-off at Blair Park.
Manger Stuart Davidson said: "We lost to them 1-0 in the Ardagh Cup back at the start of the season to a last minute penalty but we were very unlucky that night, and had some good chances.
"Hurlford are obviously a Premier league team and in the final of the Scottish Cup as well. It will be a big test for us, but we have said it before we have not done well enough in the cups so I want to see how far we can go in this one."
And the good news for Thistle is that striker John Carter is recovering from an aggravated hamstring injury.
Thistle assistant boss Martin Crawford said that John is showing signs of recapturing his fitness, and he may get a run-out before this Saturday's big weekend league match at Cambuslang.
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