In August 2019, Durasovic reached his first
ATP Challenger final at the
2019 Tilia Slovenia Open, where he lost 5–7, 3–6 to Slovenian
Aljaž Bedene. Durasovic qualified for his first
ATP Tour tournament at the
2021 Stockholm Open where he lost in the first round to wildcard and former world No. 1
Andy Murray in straight sets. He qualified for his second tournament at the
2022 Sydney International where he again met and lost to
Andy Murray in the first round. In January 2025, Durasovic won his first
ATP Challenger title after winning the
Lexus Nottingham Challenger. The win also meant he reached a new career-high ranking of world No. 289 on 13 January 2025. The following month, Durasovic reached another
ATP Challenger final. He lost to fellow countryman
Nicolai Budkov Kjær 3–4, 3–6 in the
2025 Glasgow Challenger. The match up was only the second time ever two Norwegian have met in a Challenger final, after
Christian Ruud and
Jan Frode Andersen who met in
Fürth in 1998. The result made him reach a new career high ranking of No. 238. ==Personal life==