Two-time Grand Slam champion Simona Halep has been provisionally suspended by the International Tennis Integrity Agency after failing a drug test during the US Open in August.
Three years ago, then 16-year-old Holger Rune received a wildcard into Auckland's ASB Classic qualifying. The world number one junior lost in the final round of qualifying to veteran Canadian Vasek Pospisil.
Australian Open organisers insisted that they would not help Novak Djokovic obtain a visa for January's tournament – before adding that Russian and Belarusian players are free to participate.