Croatian Excellence At PBZ Zagreb Indoors The PBZ Zagreb Indoors is the first European stop on the ATP World Tour calendar. Croatians have enjoyed success in their capital city, beginning with Ivan Ljubicic's triumph at the inaugural event in 2006. He went on to runner-up efforts the following two years. Marin Cilic maintained Croatia's final streak as he won back-to-back titles in 2009-10, 2013-14 while Ivan Dodig lifted his first title in 2011.