The 1st Guards Tank Army moved to encircle Poznań by 25 January, and the 8th Guards Army began to fight its way into the city on the following day, though there was protracted and intense fighting in the Siege of Poznań before the city would finally be taken.
1. garde kampvognsarmé rykkede frem og omringede Poznań den 25. januar, of 8. garde armé begyndte at kæmpe sig vej ind i byen den følgende dag, selv om der langvarige og hårdkampe under belejringen af Poznań inden byen endelig blev erobret.