[7] Adar was discovered by former Turkish champion sport wrestler Aslan Seyhanlı while she was performing shot put during her high school and university years.

[8][9] Adar took part in the freestyle −72 kg event at the 2012 World Championships in Strathcona County, Alberta, Canada, gaining no success.

[14] She failed to advance to the finals after losing to Russian Ekaterina Bukina in the −75 kg event at the 2015 European Games in Baku, Azerbaijan.

[15] At the 2015 World Championships in Las Vegas, United States, Adar lost in the quarter-finals to Colombian Andrea Olaya by fall.

[6][9][17][18] In 2020, she won the silver medal in the women's 76 kg event at the 2020 Individual Wrestling World Cup held in Belgrade, Serbia.

[19][20] In March 2021, she competed at the European Qualification Tournament in Budapest, Hungary hoping to qualify for the 2020 Summer Olympics in Tokyo, Japan.

[26] Yasemin Adar beat Egypt’s Samar Amer 6-0 in women's freestyle 76 kg at the 2022 World Wrestling Championships in Belgrade, Serbia, scoring her second gold in the tournament.