Mateja Fekete started practicing kickboxing in 2016, and already in 2021, his first major international competition took place in Ruma, where he failed to reach the semi-finals. In 2022, he won first place at the Serbian championship in the cadet category as well as the title of national champion, in the same year he also performed at the vojvodina championship in senta, where he won and took the title of vojvodina champion. Mateja started competing in the amateur club "SK ARENA IDJOS" at a very young age, and has already won many results. On October 8, 2022, he performs at a show in Idjos as a celebration of the club's 20th anniversary, where he wins.