Seedings are based on ATP and WTA rankings on 13 January 2020, while ranking and "points before" are as of 20 January 2020. "Points after" are as of 3 February 2020. Because the 2020 tournament takes place one week later than in 2019, points defending includes results from both the 2019 Australian Open and the tournaments from the week of 28 January 2019 (St. Petersburg and Hua Hin for WTA players). † The player did not qualify for the tournament in 2019. Accordingly, points for his 18th best result are deducted instead. The following players would have been seeded, but they withdrew from the event. † The player did not qualify for the tournament in 2019, but was defending points from an ITF tournament (Launceston). The following player would have been seeded, but she withdrew from the event. The following players have been accepted directly into the main draw using a protected ranking: The following players were accepted directly into the main tournament, but withdrew due to injuries or other reasons: