Safarova rallied past Montreal-area native and fifth-seeded Eugenie Bouchard 3-6, 6-3, 6-2 in one of the day's semifinals.
The Czech will be seeking to break a five-match losing streak in championship tilts, including a loss in the 2009 Quebec finale.
Her opponent will be 2011 finalist Erakovic of New Zealand, who advanced with a 6-4, 6-3 decision over American Christina McHale.
She has one previous a title -- a victory at Memphis this year.
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