Duje Ajduković
Duje Ajduković is a Croatian tennis player. He has a career-high ATP singles ranking of world No. 105, achieved on 9 September 2024 and a doubles ranking of No. 491, achieved on 8 November 2021. He is currently the No. 7 player from Croatia.
Professional career
2021: ATP debut and first win
Ajduković made his ATP main draw debut at the 2021 Croatia Open Umag after receiving a wildcard in singles and in the doubles main draws and recorded his first ATP singles win over qualifier Andrea Collarini.2023: First Challenger title
In August 2023, Ajdukovic won his first ATP Challenger title in Lüdenscheid, Germany after going through the qualifying, defeating Hugo Dellien in the final in straight sets.2024: ATP semifinal, ATP 500 and top 105 debuts
He reached a new career high of No. 115 on 1 April 2024. He qualified for his first ATP 500 tournament at the 2024 Barcelona Open Banc Sabadell. He reached his first semifinal as a qualifier at the 2024 Swedish Open in Bastad, defeating Luca Van Assche, eight seed Pavel Kotov and Thiago Monteiro. He lost to Rafael Nadal in three sets. As a result he reached the top 110 in the rankings on 22 July 2024. Following his second Challenger title in Manacor, after a win over Matteo Gigante in the final, he reached the top 105 in the rankings on 9 September 2024.ATP Challenger Tour finals
Singles: 6 (3 titles, 3 runner-ups)
| Result | W–L | Date | Tournament | Tier | Surface | Opponent | Score | |||||||||||||||||||||||||||||||
| Win | 1–0 | [2023 Platzmann-Sauerland Open – Singles|] | Platzmann-Sauerland Open, Germany | Challenger | Clay |  dts|Sep 2023ITF Futures/World Tennis Tour finalsSingles: 10 (7 titles, 3 runner-ups)
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dts|Sep 2019