Kovačić is 180 cm (5 ft 11 in) tall 74 kilograms (163 lb),[1] born on April 30, 1986, in Rijeka (then SR Croatia, SFR Yugoslavia).
[3] In 2009 the Spanish club Oxidoc Palma head coach Pascual Saurín, requested Kovačić to play for his team.
[3] She was one of the main powers of her club in reception[10] and offensive with Vesna Jovanovic and Vita Prychepa, being chosen among the ideal 7 in the 7th round.
[11] After mid season, Oxidoc Palma suffered a financial crisis and Kovačić and all foreign players left the club.
[19] But after a difficult mid season, being close to relegation, the club released her and libero player Martina Boscoscur.
[30] After moving from one German team to another, she joined a group of foreigners in Alemannia Aachen[31] with the goal of qualifying the club to European competitions.
[2][34] The Turkish second division club Rota Koleji signed Kovačić to play the 2013/14 season,[35] as the only foreigner, as the league guidelines states.