Ahead of the event-deciding Power Stage, Jon Armstrong is 13.4sec behind Miko Marczyk in the battle for the second place having been handed a 10sec penalty for hitting a chicane on SS12.
Tymek Abramowski leads Ville Vatanen by 12.7sec in FIA ERC3 with Tristan Charpentier 2.1sec further back in third.
Ahead of SS13, Calle Carlberg was 2min36.9sec in front of FIA Junior ERC rival Ioan Lloyd after Jaspar Vaher, who had been in second, stopped with reported driveshaft failure.
Jos Verstappen leads the Master ERC order by 1min28.0sec after Zbigniew Gabryś stopped 14.7sec into SS13.
The 15.20-kilometre Gmina Mragowow Power Stage is due to get under way at 16:05 local time.