2018 Sydney International
The 2018 Sydney International was a joint 2018 ATP World Tour and 2018 WTA Tour tennis tournament, played on outdoor hard courts in Sydney, New South Wales. It was the 126th edition of the tournament and took place at the NSW Tennis Centre in Sydney. It was held from 7 January through 13 January 2018 as part of the Australian Open Series in preparation for the first Grand Slam of the year. Venus Williams played the event for the first time in 17 years, 20 years after her maiden appearance.
Prize money
1Qualifiers prize money is also the Round of 32 prize money.*per team
ATP singles main-draw entrants
Seeds
Other entrants
The following players received wildcards into the singles main draw:The following players received entry into the singles main draw as special exempts:
The following players received entry from the qualifying draw:
The following player received entry as a lucky loser:
Withdrawals
;Before the tournament- Filip Krajinović → replaced by Ričardas Berankis
- Kei Nishikori → replaced by Viktor Troicki
Retirements
ATP doubles main-draw entrants
Seeds
- 1 Ranking as of 1 January 2018.
Other entrants
The following pairs received wildcards into the doubles main draw:Withdrawals
;During the tournamentWTA singles main-draw entrants
Seeds
- 1Ranking as of 1 January 2018.
Other entrants
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:
Withdrawals
;Before the tournament- Julia Görges → replaced by Carina Witthöft
- Anastasia Pavlyuchenkova → replaced by Ekaterina Makarova
- Peng Shuai → replaced by Lara Arruabarrena
Retirements
WTA doubles main-draw entrants
Seeds
- 1Ranking as of 1 January 2018.
Other entrants
The following team received entry as alternates:Withdrawals
;Before the tournament;During the tournament