2011 Zagreb Open

The 2011 Zagreb Open (Also known as the Pliva Zagreb Open for sponsorship reasons) was a professional tennis tournament played on outdoor red clay courts. This event was the 16th edition of the tournament and was part of the 2011 ATP Challenger Tour and 2011 ITF Women's Circuit. It took place in Zagreb, Croatia May 9–16, 2011.

Seeds

 * Rankings are as of May 2, 2010.

Other entrants
The following players received wildcards into the singles main draw:
 * Kristijan Mesaroš
 * 🇦🇹 Thomas Muster
 * Borut Puc
 * Antonio Veić

The following players received entry from the qualifying draw:
 * 🇪🇸 Guillermo Alcaide
 * 🇮🇹 Andrea Arnaboldi
 * 🇷🇺 Andrey Kuznetsov
 * Nikola Mektić

Seeds

 * Rankings are as of May 2, 2010.

Other entrants
The following players received wildcards into the singles main draw:
 * Mateja Kraljevic
 * Tereza Mrdeža
 * Silvia Njirić
 * Donna Vekić

The following players received entry from the qualifying draw:
 * 🇷🇸 Tamara Čurović
 * 🇷🇸 Doroteja Erić
 * 🇪🇸 Inés Ferrer-Suárez
 * 🇸🇰 Michaela Hončová
 * 🇭🇺 Réka-Luca Jani
 * Nastja Kolar
 * 🇭🇺 Katalin Marosi
 * 🇵🇱 Barbara Sobaszkiewicz

Men's singles
🇦🇷 Diego Junqueira def. 🇧🇷 João Souza, 6–3, 6–4

Women's singles
🇫🇷 Nathalie Piquion def. 🇷🇸 Doroteja Erić, 6–3, 3–6, 6–1

Men's doubles
🇪🇸 Daniel Muñoz de la Nava / 🇪🇸 Rubén Ramírez Hidalgo def. Mate Pavić /  Franko Škugor, 6–2, 7–6(10)

Women's doubles
🇧🇬 Elitsa Kostova / 🇵🇱 Barbara Sobaszkiewicz def. Ani Mijačika /  Ana Vrljić, 1–6, 6–3, [12–10]