Playing for the Czech Republic Fed Cup team, Birnerová has a win–loss record of 0–2.
In 2006, Birnerová won her first WTA Tour doubles title in Stockholm, alongside Jarmila Gajdošová.
[1] In 2011, she reached her first WTA Tour singles final in Tashkent, losing to top seed Ksenia Pervak in straight sets.
[2] In 2012, she won her third tour doubles title at the 2012 Copa Colsanitas alongside Alexandra Panova.
[3] Only main-draw results in WTA Tour and Grand Slam tournaments, Fed Cup and Olympic Games are included in win–loss records