A run of six wins in seven matches has catapulted the modest Brittany side up to third in the French top flight, a position which guarantees a place in next season's Champions League group stage.
That reality remains a long way off for a club that have never finished higher than eighth in Ligue 1, in 1987, with several of their players - such as Bradley Locko, Lilian Brassier and Pierre Lees-Melou - drawing interest in the transfer market.
However, the prospect of facing Kylian Mbappe and PSG twice in 11 days is one that coach Eric Roy welcomes. After Sunday's league meeting, the sides face off again at the Parc des Princes in the last 16 of the French Cup on February 7.
"There's everything to gain in this type of match," said former Sunderland midfielder Roy, who took charge of Brest at the start of 2023 with the team in the relegation zone.
Brest's lone home defeat was a 3-2 loss to PSG in October, when Mbappe scored a minute from time after the hosts had fought back from two goals down. The France captain also grabbed a late winner at the Stade Francis-Le Ble last season.
"Here we made them doubt a little bit. We just fell short, like the year before, by a minute or two. We'll see if we're capable of doing better, but it will be an easy match to get ready for."
Brest have built a winning formula based on a solid defence - with four successive clean sheets - and goals coming from various different sources. Kamory Doumbia, currently away at the Africa Cup of Nations with Mali, and Romain Del Castillo lead the way with five each.
"I think those who watch and follow us closely can say the points we've got, not many of them were stolen, and even in the four games we lost we could almost have regrets."
With 34 points from 18 games,
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