Ashleigh Barty is the first player to advance into the quarterfinals at the 2020 Adelaide International after defeating Pavlyuchenkova.
It was a difficult beginning of the season for world number 1 when she lost her first match in the Brisbane. However, now, Barty plays in Adelaide and she had a good beginning.
The Aussie faced Anastasia Pavlyuchenkova in the 2nd round. She first lost the first set 4-6 but then came back to win the match 2-1 and advance into the quarterfinals.
In the first round match, Arina Rodionova defeated 2017 US Open Champion, Sloane Stephens. She was followed by Julia Goerges and the eight-seedee Marketa Vondrousova who played her first match since Wimbledon 2019.
| 1st round | Arina Rodionova | 2 | 6 | 6 | | | | | |
| Sloane Stephens | 0 | 2 | 2 | | | | |
| 1st round | Maria Sakkari | 2 | 7 | 6 | | | | | |
| Vitalia Diatchenko | 0 | 5 | 2 | | | | |
| 2nd round | Ashleigh Barty | 2 | 4 | 6 | 7 | | | | |
| Anastasia Pavlyuchenkova | 1 | 6 | 3 | 5 | | | |
| 1st round | Marketa Vondrousova | 2 | 6 | 6 | | | | | |
| Tatjana Maria | 0 | 3 | 0 | | | | |
| 1st round | Bernarda Pera | 2 | 7 | 6 | | | | | |
| Barbora Strycova | 0 | 66 | 3 | | | | |
| 1st round | Julia Goerges | 2 | 7 | 6 | | | | | |
| Priscilla Hon | 0 | 67 | 3 | | | |