She competed at the 2016 Summer Olympics in the women's 70 kg event, in which she was eliminated in the first round by Esther Stam.

[citation needed] In the finals of the Grand Prix Ulaanbaatar held in her hometown, she was defeated by South Korea's Hwang Yeo - seong .

She then held the IJFAt the seminar, armpits in this match were taken up as a case of extremely malicious fouls that can no longer be called sports.

[citation needed][7] In 2014, she finished third in the 72 kg class at  Sambo World Championships.

[8] After going 2–0 on the regional scene, winning the bouts via first round submission and TKO stoppage, Tsend-Ayush faced Amanda Leve on February 3, 2023, at PFL Challenger Series 10, where she would lose the bout via unanimous decision.