[2] Astra was born and raised in Singapore, before her parents emigrated to Perth, Western Australia in 2005, when she was ten years old.

[6] Originally intent on becoming an orthopedic surgeon, she decided not to continue in medical school as her professional tennis career took off.

[7] Still in 2022, she used a partnership between the WTA and the University of Florida to earn a Master's degree in Applied Physiology and Kinesiology.

She experienced little singles success but partnering Frances Altick, won two doubles titles in July.

In June and July, she won her fourth and fifth singles titles in Baton Rouge and Gatineau, Canada.

In April, Sharma reached her first WTA Tour final, losing to Amanda Anisimova at the Copa Colsanitas.

Sharma competed in qualifying events across the European grass-court season and lost in the first round of Wimbledon.

Sharma started 2020, losing in the singles and doubles first rounds of both Hobart International and Australian Open.

In March, Sharma reached the second round of the Monterrey Open and the quarterfinal of the ITF event in Irapuato, Mexico, before the tour was stopped due to the COVID-19 pandemic.

Sharma defeated top seed Ons Jabeur to win the Charleston Open, her first career title.

[citation needed] At the US Open, she qualified before losing to eighth seed Barbora Krejčíková in the first round.

[citation needed] In 2022, Sharma reached the second round at Indian Wells with a win over Magda Linette,[13] before losing to 13th seed Victoria Azarenka.