[3] It was the second time this tournament was held and it took place at the Memorial Drive Tennis Centre from the 22nd to the 27th of February, 2021.

For 2021, with the COVID-19 pandemic causing travel chaos, the ATP event was moved to Melbourne.

Ashleigh Barty of Australia won the 2020 edition and sought to defend her domestic title.

[4] The tournament was eventually won by Iga Swiatek, who claimed her second career title, defeating Belinda Bencic in two sets.

Adelaide International 2021: Belinda Bencic vs Misaki Doi preview, head-to-head & prediction 9.