The 2025 Zagreb Open was a professional tennis tournament played on outdoor clay courts. It was part of the 2025 ATP Challenger Tour and the 2025 ITF Women's World Tennis Tour. It took place in Zagreb, Croatia between 12 and 17 May 2025.

Men's singles main-draw entrants Seeds Country Player Rank1 SeedAdrian Mannarino1261Jérôme Kym1272Dalibor Svrčina1283Harold Mayot1444Kyrian Jacquet1505Dmitry Popko1636Duje Ajduković1757Filip Misolic1808 Rankings are as of 5 May 2025.

Other entrants The following players received wildcards into the singles main draw: Matej Dodig Luka Mikrut Dino Prižmić

The following player received entry into the singles main draw using a protected ranking: Kimmer Coppejans

The following players received entry into the singles main draw as alternates: Gonzalo Bueno Max Houkes Mili Poljičak

The following players received entry from the qualifying draw: Mirza Bašić Nerman Fatić Norbert Gombos Miloš Karol Dimitar Kuzmanov Neil Oberleitner

The following player received entry as a lucky loser: Luka Pavlovic

Women's singles main-draw entrants

Seeds Country Player Rank* Seed Léolia Jeanjean 104 1 Jana Fett 149 2 Tamara Zidanšek 151 3 Lola Radivojević 175 4 Lanlana Tararudee 197 5 Julia Riera 199 6 Selena Janicijevic 203 7 Carson Branstine 207 8 Rankings are as of 5 May, 2025.

Other entrants The following players received wildcards into the singles main draw: Lucija Ćirić Bagarić Ana Konjuh Tena Lukas Iva Primorac

The following players received entry from the qualifying draw: Živa Falkner Malene Helgø Ylena In-Albon Matilde Jorge Pia Lovrič Alice Ramé Natalija Senić Lian Tran

The following player received entry as a lucky loser: Kristina Novak

Champions Men's singles

Dino Prižmić def. Luca Van Assche 6–2 retired.

Women's singles Tara Würth def. Guiomar Maristany 6–2, 4–6, 6–3.

Men's doubles

Matej Dodig / Nino Serdarušić def. Luka Mikrut / Mili Poljičak 6–4, 6–4.

Women's doubles Francisca Jorge / Matilde Jorge def. Lucija Ćirić Bagarić / Vitalia Diatchenko 6–2, 6–0.

References