Duje Ajduković

Duje Ajduković (born 5 February 2001) is a Croatian tennis player. He has a career high ATP singles ranking of World No. 115 achieved on 1 April 2024. He also has a career high ATP doubles ranking of No. 491 achieved on 8 November 2021. Ajduković has won 2 ATP Challenger singles title and 9 ITF titles, 7 singles and 2 doubles. He is currently the No. 2 Croatian player.

Professional career
Ajduković made his ATP main draw debut at the 2021 Croatia Open Umag after receiving a wildcard into the singles and doubles main draws.

In August 2023, Ajdukovic won his first ATP Challenger tournament in Lüdenscheid, Germany after going through the qualifying, defeating Hugo Dellien in the final in straight sets.

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 (tennis) and Thiago Monteiro (tennis). He lost to Rafael Nadal in three sets. As a result he reached the top 110 in the live rankings.

Davis Cup (0–1)

 * indicates the outcome of the Davis Cup match followed by the score, date, place of event, the zonal classification and its phase, and the court surface.