In the 2011–2012 season, she became the Czech national senior champion and was sent to the European and World Championships but did not progress past the preliminary round at either event.

[3] In the 2012–2013 season, Březinová dipped to fourth nationally and placed 30th in Zagreb at the 2013 European Championships, missing the cut-off for the free skate.

[4][6] In the 2013–2014 season, Březinová won her second national title and reached the free skate at the 2014 European Championships in Budapest, where she finished fifteenth.

[10] Březinová placed eighth in the short program segment of the Olympic team event, setting a new personal best score and breaking the 60-point mark for the first time.

[citation needed] She performed still better in the short program of the women's event, scoring 64.31 to qualify for the free skate in twelfth position.