[3] He attended the Olympic Qualifications in London 2020 and defeated European champion and 2016 Olympian Balazs Bacskai in his first fight.

Mindaugas[7] lived the first 15 years of his life in Lithuania where he also started training Judo and Muay Thai in Siauliai at the age of 12.

He then took part in the international Grand Prix AIBA tournament, held in Usti Nad Labbern, Czech Republic.

Gedminas defeated a boxer from Turkey and lost in semifinals against Salvatore Callavaro from Italy, where he won a bronze medal.

[11] He won against Lithuania's best boxer, Vytautas Balsys, and lost on split decision 3–2 against Salvatore Callavaro, who took a silver medal.