In 2012, she became the youngest member of the Romanian national team. The same year she won the Romanian Cup after defeating in the final Olympic silver medallist Ana Maria Brânză. Tătăran won in 2013 a silver medal at the Junior European Championships in Budapest, followed by a team silver medal at the senior European Championships in Zagreb. For this performance she was named athlete opf the year of Satu Mare County for the third time, after 2010 and 2011. In 2014, she transferred from CS Satu Mare to CS Dinamo București.