She also represented Australia at the 2020 Summer Olympics, which due to the COVID-19 pandemic were held in 2021, reaching the quarterfinals in the women's doubles competition.

Hunter was born in Rockhampton, where she began playing tennis at the age of six after watching the Australian Open on television.

[11] Hunter graduated from the School of Isolated and Distance Education in Western Australia in 2011, after which she received a Melbourne-based tennis scholarship.

[18] In July, together with her British partner Naomi Broady, Hunter won the $50k Gold River Challenger, defeating Robin Anderson and Lauren Embree, in straight sets.

Pushing the top-20 ranked Belgian to the brink, Hunter lost in a tough three-set match, lasting over two and a half hours.

[15][note 1] In February, she qualified for and defeated four higher-ranked opponents to advance to her first tour-level singles quarterfinal at the Adelaide International, eventually losing to Belinda Bencic.

She received a wildcard for her debut at the WTA 1000 level at the 2021 Miami Open and recorded her first win against qualifier Elisabetta Cocciaretto.

[36] She then defeated Belarusian Yuliya Hatouka promoting Australia to the semifinals[37] where she lost to Swiss Jil Teichmann.

[38] In January 2022, Hunter won her third and the biggest WTA Tour title, at the Adelaide International, alongside Ashleigh Barty.

[15][note 1] In singles, she entered the Miami Open as a lucky loser replacing seventh seed Garbiñe Muguruza in the second round.

[40] At the same tournament, she teamed up with John Peers to win the mixed doubles title defeating Kirsten Flipkens and Édouard Roger-Vasselin in an epic three-set match.

[43] She reached back-to-back quarterfinals at the Australian Open with new partner Elise Mertens but fell to Marta Kostyuk and Elena-Gabriela Ruse.

[46][47] She qualified for the French Open in singles for the second time and recorded her first win at a major over Nuria Párrizas Díaz.

[15][note 1] She made more personal history at the same event by reaching her first Grand Slam women's doubles final alongside partner Mertens going down 5-7, 4-6 to the unseeded duo of Hsieh Su-wei and Barbora Strýcová.

[50] She won her second WTA 1000 title with Mertens at the Guadalajara Open and third at this level, defeating Erin Routliffe and Gabriela Dabrowski.

[55] Her next singles tournament was the WTA 125 Mumbai Open where she reached the final but lost to Darja Semeņistaja in three sets.

[56] At the Dubai Tennis Championships she won her fourth WTA 1000 doubles title with new partner Kateřina Siniaková.

[57][58] At Indian Wells, she reached the final with Siniaková but lost to top seeded pair Hsieh Su-wei and Elise Mertens.

[59][60] Partnering with Matthew Ebden at the same tournament, Hunter won the inaugural eight-team invitational mixed doubles title, defeating Caroline Garcia and Édouard Roger-Vasselin in the final.

[61] After qualifying for the main draw at the WTA 1000 Miami Open, she reached the second round for the third time at this tournament after Martina Trevisan had to retire.

[62][63] Hunter ruptured her Achilles tendon in the final practice before Australia's Billie Jean King Cup qualifier against Mexico in Brisbane in April and underwent surgery.

[64] On 14 February, Hunter announced she would return to the WTA Tour at the ATX Open in Austin, Texas, later that month, playing in the doubles alongside Caroline Dolehide.