She won one of the bronze medals in the women's 48 kg event at the 2019 European Games held in Minsk, Belarus.

Štangar won one of the bronze medals in the girls' 52 kg event at the 2014 Summer Youth Olympics held in Nanjing, China.

[2] In 2018, Štangar won one of the bronze medals in the women's 48 kg event at the Mediterranean Games held in Tarragona, Spain.

[4] In 2020, she was eliminated in her first match in the women's 48 kg event at the European Judo Championships held in Prague, Czech Republic.

[5] Štangar won one of the bronze medals in the women's 48 kg event at the 2022 Mediterranean Games held in Oran, Algeria.