Johanna Konta Johanna Konta (born 17 May 1991) is a British former professional tennis player, having represented Australia until 2012. She won four singles titles on the WTA Tour, as well as 11 singles and four doubles titles on the ITF Women's Circuit. The ...

was the defending champion, but lost in the first round to

Agnieszka Radwańska Agnieszka Roma Radwańska (; born 6 March 1989) is a Polish former professional tennis player. She won 20 career singles WTA Tour titles, two doubles titles, and achieved a career-high singles ranking of world No. 2 on 9 July 2012. Her achievem ...

in a rematch of the previous year's final.

Angelique Kerber Angelique Kerber (; born 18 January 1988) is a German professional tennis player. She has been ranked as high as world No. 1, for a total of 34 weeks, and won three major titles at the 2016 Australian Open, the 2016 US Open, and the 2018 Wim ...

won the title, defeating

Ashleigh Barty Ashleigh is the feminine form of the Old English name Ashley (given name), Ashley, which means "dweller near the ash tree forest". It is most common in the United States and United Kingdom. Notable people B *Ashleigh Ball (born 1983), Canadian ...

in the final, 6–4, 6–4. Kerber won the title despite being two match points down in the second set in her first-round match against

Lucie Šafářová Lucie Šafářová (; born 4 February 1987) is a Czech former professional tennis player who was ranked world No. 1 in doubles, and No. 5 in singles. She is a five-time Grand Slam champion in doubles, having won the 2015 Australian Open, 2015 ...

Seeds

The top two

seeds A seed is an embryonic plant enclosed in a protective outer covering, along with a food reserve. The formation of the seed is a part of the process of reproduction in seed plants, the spermatophytes, including the gymnosperm and angiosperm pl ...

received a bye into the second round.

Draw

Finals

Top half

Bottom half

Qualifying

Seeds

Qualifiers

Lucky losers

Qualifying draw

First qualifier

Second qualifier

Third qualifier

Fourth qualifier

References

Main Draw

Qualifying Draw
{{DEFAULTSORT:Sydney International - Women's Singles, 2018 Women's Singles