[1] She turned professional in 2006 and played her first junior event at the tournament in Pančevo, Serbia, losing in straight sets to Ana Veselinović.

In 2007, Jovanovski won junior events in Città di Santa Croce, defeating Michelle Larcher de Brito, and reached the finals in Prato and Milano, losing to Romana Tabaková and Anastasia Pivovarova, respectively.

She continued playing on the ITF Circuit, reaching the semifinals of three events – Belek, Sarajevo and Toruń – being defeated by Tetyana Arefyeva, Ana Jovanović, and Oksana Kalashnikova, respectively.

[15][16] At the Rabat Grand Prix, her second career WTA Tour event, she defeated Barbora Záhlavová-Strýcová in the first round, but then lost to the fifth seed Angelique Kerber in the second.

She then suffered losses in the semifinal of the ITF event in Maribor and the Eastbourne International qualifications, but managed to enter into the main draw at Wimbledon.

At the İstanbul Cup, she won three matches in straight sets to qualify for the main draw, but lost to Elena Vesnina in the first round.

[23] Jovanovski then participated at the ITF events in Torhout, Poitiers and Taipei, defeating players such as Sania Mirza, Rika Fujiwara and Noppawan Lertcheewakarn, but without much further success.

[32] She defeated Kaia Kanepi,[33] Aravane Rezaï[34] and Flavia Pennetta,[35] but lost her first tour semifinal to eventual champion Li Na.

Jovanovski was the highest ranked player in the Serbia Fed Cup team for the World Group II rubber against Canada.

In the doubles match, Jovanovski and Krunić defeated Fichman and Pelletier to guarantee Serbia a spot in the World Group Playoffs.

[50] Partnering with Varvara Lepchenko, she lost to Lourdes Domínguez Lino and Laura Pous Tió in the first round of the women's doubles.

[56] Jovanovski was seeded fifth at the Washington Open and defeated qualifier Petra Rampre in the first round and Jill Craybas in the second, before losing to former world No.

[60] After defeating Anna Tatishvili and Akgul Amanmuradova to qualify for the event,[61] Jovanovski was beaten by the 17th seed Yanina Wickmayer in the first round of the Western & Southern Open.

[66] Jovanovski began her 2012 season at the Brisbane International where she defeated Casey Dellacqua, a wildcard entrant, but then lost to the fourth seed Serena Williams.

[67] She then played the qualification tournament for the Sydney International defeating Tamira Paszek and Virginie Razzano, before losing to Stefanie Vögele.

[71] At the Qatar Ladies Open, Jovanovski defeated Raquel Kops-Jones in the first round of qualification, eventually losing to Aleksandra Wozniak in the second.

[75] Jovanovski then played at the Copenhagen Open where she defeated Stefanie Vögele and upset the fourth seed Monica Niculescu, before losing in the quarterfinals to Petra Martić.

Although she and Aleksandra Krunić lost their doubles match to Maria Kirilenko and Elena Vesnina, Serbia progressed through to the final with a 3–2 win.

[77] After that, Jovanovski tried to qualify for the Budapest Grand Prix and the Madrid Open, but suffered two first–round losses to Romana Tabaková,[78] and Marta Domachowska, respectively.

[81] Jovanovski played her first grass–court tournament of the year at the Birmingham Classic where she suffered a first–round loss to Michelle Larcher de Brito, a qualifier.

[86] Jovanovski then reached the quarterfinals of the Tashkent Open by defeating Dinah Pfizenmaier and Eleni Daniilidou, before falling to Donna Vekić.

She and Aleksandra Krunić were scheduled to play doubles against Hlaváčková and Hradecká, but the dead rubber was cancelled as the Czech Republic had already won 3–1.

[91] At the Australian Open, Jovanovski again defeated Torró Flor, the 17th seed Lucie Šafářová, and Kimiko Date-Krumm, before losing to eventual semifinalist Sloane Stephens in the fourth round.

[92] In doubles, Jovanovski partnered with Melinda Czink to triumph over Simona Halep and Arantxa Rus in the first round, but then fell to Natalie Grandin and Vladimíra Uhlířová.

She finished the season in a better way, reaching the quarterfinals of Luxembourg where she defeated 2011 Roland Garros champion, Francesca Schiavone, in round one, and Hsieh Su-wei.

Jovanovski lost convincingly at next four events in Acapulco, Indian Wells, Miami, and also first clay tournament of season in Marrakech, winning a total of just two matches.

[100] With the condition of her wrist and right shoulder that has been bothering her for the past three seasons worsening, Jovanovski played in only five matches in 2016, each time losing in the first round in straight sets.

Following the French Open first-round loss to Agnieszka Radwańska, Jovanovski said that she was going to miss all tournaments on grass court, including Wimbledon, to prepare for the second half of the season.

[101] However, after unsuccessfully trying to rehabilitate with various non-surgery methods she notified the public in early July 2016 that on the advice of Spanish doctors, she has decided to undergo surgery in an attempt to continue with her tennis career.

[116][117] Only main-draw results in WTA Tour, Grand Slam tournaments, Fed Cup and Olympic Games are included in win–loss records.