Mazri started representing Algeria at an early age of 13 and competed for the first time with the national team in the Serbian Under-15 International Championship, and at that time won two bronze medals in the singles and women's doubles competitions. Mazri also represented her country in the African Under-15 Championship hosted by Egypt and won the bronze medal in the singles category and the silver in the mixed doubles. After that, she participated in the South African International Championships and won the singles bronze and the girls' doubles gold, and in the Uganda International Championship she won the singles gold and the singles bronze as well as won many medals and titles at the level of singles, doubles and mixed doubles in the Arab championships. Mazri shined in the World Open Championship that was held in Algeria in 2017 when she won the gold of mixed doubles and the bronze of the girls' doubles, and in the following year, in the African Games, she won the gold of mixed doubles, and she repeated the same thing in the African Championship held in Nigeria 2019 by winning gold in Mixed doubles, bronze in Women's doubles event and qualified for the World Championships in China in 2018.[5]
