2018 Sydney International

2018 Sydney International
Date7–13 January 2018
Edition126th
CategoryATP World Tour 250 series / WTA Premier
Draw32S / 16D
SurfaceHard
LocationSydney, Australia
VenueNSW Tennis Centre
Champions
Men's singles
Daniil Medvedev
Women's singles
Angelique Kerber
Men's doubles
Łukasz Kubot / Marcelo Melo
Women's doubles
Gabriela Dabrowski / Xu Yifan

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 (NSW). 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.