In the 2011–12 season Márton won a double gold medal in the cadet category and an individual gold medal in the junior category at the European Championships in Poreč. She took part in the senior European Championships in Legnano, but lost in the first round to World No.1 Olha Kharlan. The following year, she reached the quarter-finals at the European Championships in Zagreb, ceding to Kharlan again. She was stopped by China's Zhu Min in the table of 32 of the World Championships at home in Budapest.