2023 Zadar Open

The 2023 Zadar Open was a professional tennis tournament played on clay courts. It was the third edition of the tournament which was part of the 2023 ATP Challenger Tour. It took place in Zadar, Croatia between 20 and 26 March 2023.

Seeds

 * 1 Rankings are as of 6 March 2023.

Other entrants
The following players received wildcards into the singles main draw:
 * Duje Ajduković
 * Mili Poljičak
 * Dino Prižmić

The following players received entry from the qualifying draw:
 * 🇧🇦 Mirza Bašić
 * 🇮🇹 Giovanni Fonio
 * 🇩🇪 Jeremy Jahn
 * 🇮🇹 Julian Ocleppo
 * 🇦🇹 David Pichler
 * 🇮🇹 Giulio Zeppieri

The following players received entry as lucky losers:
 * 🇮🇹 Salvatore Caruso
 * 🇷🇸 Nikola Milojević

Singles

 * 🇮🇹 Alessandro Giannessi def. 🇦🇹 Sebastian Ofner 6–4, 5–7, 7–6(8–6).

Doubles

 * 🇫🇷 Manuel Guinard / Nino Serdarušić def. 🇷🇸 Ivan Sabanov / 🇷🇸 Matej Sabanov 6–4, 6–0.