Complex sentence: She married Australian tennis player Samuel Groth in February 2009 and competed as Jarmila Groth from 2009 to 2011, The couple was divorced in 2011 and Gajdošová reverted to her birth name.
Split into simpler sentences: She married Australian tennis player Samuel Groth in February 2009 and competed as Jarmila Groth from 2009 to 2011. When the couple got divorced in 2011, Gajdošová reverted to her birth name.