The 2021 Adelaide International was a tennis tournament on the 2021 WTA Tour. It was played on outdoor hard courts in Adelaide, South Australia, Australia. The Adelaide International is a WTA 500 Tournament.
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. It was held alongside another 250 tournament called Melbourne 2 and the ATP Cup. Adelaide was temporarily renamed the Great Ocean Road Open. The WTA event will be held the week after the Australian Open, in Adelaide. Ashleigh Barty of Australia won the 2020 edition and sought to defend her domestic title. The tournament was eventually won by Iga Swiatek, who claimed her second career title, defeating Belinda Bencic in two sets.
<sub>*per team</sub>
The following players received wildcards into the singles main draw:
The following players received entry from the qualifying draw:
The following players received entry as lucky losers:
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