Alongside Samuel Thompson, Jovanovic won the mixed-doubles Wildcard Playoff into the 2015 Australian Open where they faced off against Martina Hingis and Leander Paes in the main draw, losing 2–6, 6–7(2–7).

In 2017, Jovanovic achieved a career-best singles result when she reached the quarterfinals of a $25k tournament in Goyang, South Korea.

In 2018, Jovanovic played her first WTA Tour tournament receiving a qualifying wildcard to the Hobart International.

In March, she achieved a new career-best singles result in the $25k tournament in Mildura, reaching the semifinals.

In June, she won her first ITF final (her first title win was by walkover), partnering Jelena Stojanovic in Niš, Serbia.