[3] She joined the "Red Panther" (Улаан ирвис) boxing club in Selenge and began training consistently starting in 2016; her parents initially objected, declaring that boxing was "not a sport suitable for girls", but eventually supported her due to her dedication, as she trained two hours per day even when not preparing for fights.

[3][4] Yesügen, a flyweight, rose through the Mongolian boxing ranks and became a two-time state champion, later making the national team.

[3] She competed in the 2022 IBA Women's World Boxing Championships and placed fifth, losing the bronze medal match 3–2 to the Thai boxer Preedakamon Tintabthai.

[9] Later that year, she competed at the Asian Games in the light flyweight division, defeating World Champion Nazym Kyzaibay to win a bronze medal.

[10] By May 2024, Yesügen was ranked the number one female Mongolian boxer and had compiled a career record of 25 wins and 6 losses.