[citation needed] Her first senior competition were the 2018 Women's European Amateur Boxing Championships in Sofia, Bulgaria.

[2] She received a bye into the round of 16 where she faced Polish Aneta Rygielska, finishing with a 0–5 loss by points.

[4] In November 2018, Sadiku was set to compete in the lightweight competition at the 2018 AIBA Women's World Boxing Championships in New Delhi, India.

[7] At the 2019 European Games in Minsk, Belarus, Sadiku was chosen as Kosovo's flag bearer for the opening ceremony.

[9] On 15 June 2021, Sadiku received an invitation from the Tripartite Commission to compete in the women's lightweight boxing event for Kosovo at the 2020 Summer Olympics, which was postponed a year due to the COVID-19 pandemic.