She was awarded as the "best boxer" after winning gold in the light welterweight (64 kg) division at the 5th European Union Women's Championships held in Keszthely, Hungary between August 3–8, 2010.[3] Reigning European and World champion[3] Gülsüm Tatar has been officially invited to the 2012 London Olympics, at which women's boxing will debut. She will represent Turkey at the Olympics as the first female boxer.[6]
As of December 1, 2010, Gülsüm Tatar ranked first in her weight category at the "World Women's Rankings" list.[10]
India's L Sarita Devi (60 kg) stunned defending champion and world number 2 Gulsum Tatar of Turkey to enter the pre-quarterfinals of the seventh World Women's Boxing Championships in Qinhuangdao, China on May 14, 2012.