Legia Warszawa sit four points clear at the top of the Polish Ekstraklasa following Lech Poznan's draw at home to GKS Belchatow.
Legia defeated Gornik Zabrze 3-0 at home on Saturday, thanks to goals from Marek Saganowski, Danijel Ljuboja and Vladimir Dvalishvili.
Lech's failure to win at home to GKS a day later means Legia now hold a four-point lead at the top of the standings.
Also on Saturday, Dawid Plizga and Tomasz Frankowski were on target as Jagiellonia Bialystok beat Polonia Warszawa 2-0 in front of their own fans.
And Korona Kielce won 2-1 at home to Ruch Chorzow, thanks to a goal from Maciej Korzym and Pawel Golanski's penalty.
In the other match on Sunday, Widzew Lodz were held 0-0 by visiting Zaglebie Lubin.
Elsewhere, Lukasz Gikiewicz's 90th-minute equaliser helped Slask Wroclaw salvage a point in a 1-1 draw at home to TS Podbeskidzie, and saw the hosts climb to third on the table at Polonia's expense.
Radoslaw Sobolewski and Tzvetan Genkov provided the goals as Wisla Krakow saw off Pogon Szczecin 2-0. Tomasz Podgorski and Marcin Robak struck in the second half as Piast Gliwice beat Lechia Gdansk by the same score.