Barcelona successfully defended the Primera División title after winning their first 26 games.[6] He led Barcelona to the Women's Champions League final in 2021, two years after their defeat against Lyon. Barcelona emerged victorious, defeating Chelsea 4–0 to win their first Women's Champions League title.[7] In May 2021, Barcelona Femení completed their first treble after winning 2020-21 Copa de la Reina against Levante at the Estadio Municipal de Butarque.[8] Despite winning the historic treble, reports emerged that several Barcelona Femení players had requested his sacking,[9] and he decided to resign from his role as Barcelona Femení’s head coach after two years in charge.[10]
On November 14, the president of the Ukrainian Football Association Andriy Pavelko announced the appointment of Cortés as the head coach of the Ukraine national women's team.[11]