On 26 September, Cerro Porteño won the Torneo Apertura and clinched their thirty-third domestic championship with one match to spare following a 3–1 victory over River Plate,[2] while the Torneo Clausura was won by Olimpia who clinched their forty-fifth domestic championship after defeating Guaraní on penalties in the final played on 30 December.
The new teams were 2019 División Intermedia champions Guaireña and runners-up 12 de Octubre, with the former competing in the top tier for the first time ever and the latter returning after a five-year absence.
[47] On 28 May 2020, the APF and the presidents of the 12 Primera División clubs reached an agreement to resume the competition on 17 July, with the ninth round of the Torneo Apertura.
[49] On the early morning of 17 July, within hours of the planned resumption of the competition, the APF announced the postponement of the matches involving 12 de Octubre, Guaraní and San Lorenzo, due to the confirmation of COVID-19 cases in those clubs,[50] and after consultation with its Medical Directorate as well as the presidents of the league's 12 clubs, the governing body officially announced the postponement of the return of the competition to at least 22 July.
[51] Following new tests in those three clubs which reported negative results, the competition was eventually confirmed to resume on 21 July, with the River Plate vs. Nacional and Cerro Porteño vs. Libertad matches.