Career
On 1 April 2013, she reached her best singles ranking of world number 301. On 27 January 2014, she peaked at world number 512 in the doubles rankings. Hadzic started playing on the International Tennis Federation circuit in 2009 and made her Women's Tennis Association debut playing in the qualifying tournament of the 2012 Apia International Sydney.
She was awarded a wildcard to the main doubles draw at the 2014 Australian Open.
2009
In 2009, Hadzic made her debut on the International Tennis Federation Women"s Circuit, playing a handful of events in Bosnia and Australia. 2010
In September 2010, Hadzic had a breakthrough tournament at the $25,000 International Tennis Federation event in Cairns.
She reached the quarterfinals after having to qualify and en route defeated the second seed Yurika Sema in straight sets. This result gave her a Women's Tennis Association Ranking for the first time.
2011
In 2011, Hadzic continued playing International Tennis Federation events and repeated her quarterfinal finish at the Cairns Tennis International.
2012
In January, Hadzic made her Women's Tennis Association debut with a wildcard into qualifying for the 2012 Apia International Sydney, losing to Chanelle Scheepers in straight sets. Later in the year, she reached the quarterfinals of the $25,000 events in Rockhampton and Esperance, losing on both occasions to Olivia Rogowska. In December, she reached the final of the 2012 Optus Australian 18s Championships.
2013
Hadzic again received a wildcard into the qualifying tournament of the Sydney International, losing to Coco Vandeweghe in straight sets.
She then made her senior Grand Slam debut with a wildcard into Australian Open qualifying, where she lost to Michelle Larcher de Brito. In February, she reached her first International Tennis Federation final in Mildura, losing to the Russian Ksenia Lykina.
She made the semifinals of International Tennis Federation tournaments in Sydney (twice) and Toowoomba before reaching her second career International Tennis Federation final at the $15,000 tournament in Cairns where she claimed her maiden senior title, defeating Jessica Moore in three sets. 2014
Hadzic started 2014 with a wildcard for Hobart qualifying, but lost to Andrea Hlaváčková.
Partnering Jessica Moore, she was awarded a wildcard into the main draw of 2014 Australian Open – Women"s Doubles, where they faced the 11th seeded team of Anna-Lena Grönefeld and Mirjana Lučić-Baroni, both former Grand Slam champions, losing in straight sets.
In February, Hadzic knocked out top seed and world number 116 Magda Linette in the first round of the Launceston Tennis International. Hadzic announced her retirement from tennis in March 2014. Singles (1–1).