Her first and quickest performance was on the fourth day of the 2012 Summer Olympics on 31 July 2012, during the elimination round of 32 matches.

In three rounds totaling only 46 seconds, she expeditiously defeated Palau's 35-year-old Jennifer Anson.

In the 16th elimination round, she defeated Finland's Johanna Ylinen with a score of 100 to 0.

In the quarterfinal, she defeated France's Gévrise Émane and advanced to the semifinal of Table B where she lost to Slovenia's Urška Žolnir who went on to win the gold.

Munkhzaya Tsedevsuren fought for the bronze and lost to Japan's Yoshie Ueno.