A total of 16 teams participated, 14 of which competed in the league during the previous season, while the remaining two were promoted from the 2018–19 I liga.

On 13 March 2020, the Ekstraklasa SA suspended the league due to the outbreak of COVID-19 pandemic.

[8][9][10][11][12] After consultation with the Polish government, the league resumed behind closed doors without any spectators on 29 May 2020.

[13] The defending champions were Piast Gliwice, who won their 1st Polish title the previous season.

Legia Warsaw clinched their fourteenth Ekstraklasa title on the twenty eight matchday of the season, after a 2–0 win against Cracovia.