The 2015 Apia International Sydney women's singles was a joint 2015 ATP World Tour and 2015 WTA Tour tennis tournament, played on outdoor hard courts in Sydney, New South Wales, Australia.
Caroline Wozniacki was the defending champion, but she chose not to participate this year.
Maria Sharapova was the defending champion, but withdrew before her first match due to a wrist injury.
Tímea Babos was the defending champion, but lost in the second round to Mona Barthel.
Lesia Tsurenko was the two-time defending champion, but chose not to defend her title.
Players who neither have high enough rankings nor receive wild cards may participate in a qualifying tournament held one week before the annual Wimbledon Tennis Championships.
Margarita Gasparyan was the defending champion. but lost in the second round to Danka Kovinić.
This article displays the qualifying draw for women's singles at the 2020 Australian Open.
Jil Teichmann was the defending champion, but chose not to participate.
Jil Teichmann was the defending champion, but chose to participate in Lexington instead.
Naomi Osaka defeated Jennifer Brady in the final, 6–4, 6–3 to win the women's singles tennis title at the 2021 Australian Open. It was her second Australian Open title and fourth major title overall. With the win, Osaka extended her winning streak to 21 matches, dating to the 2020 Cincinnati Open. She only lost one set during the tournament, to Garbiñe Muguruza in the fourth round; she also saved two match points in that match, making her the eighth woman to win the Australian Open after saving match points. Osaka became the third player in the Open Era, after Monica Seles and Roger Federer, to win their first four major finals.
The 2021 Yarra Valley Classic was a tournament on the 2021 WTA Tour, one of six events in the 2021 Melbourne Summer Series. It was played on outdoor hard courts in Melbourne, Australia. It was organised as a lead-up tournament to the 2021 Australian Open, and was held at the same venue, due to other tournaments in Australia being cancelled as a result from the COVID-19 pandemic. This tournament took place simultaneously with the 2021 Gippsland Trophy and the 2021 Grampians Trophy. Players who had originally intended to participate in this tournament or the Gippsland Trophy, but were forced to undergo strict quarantine measures upon arrival in Australia, were able to participate in the 2021 Grampians Trophy. The entry list of 2021 Australian Open was used to determine the entry list of this tournament; with half the players playing the Yarra Valley Classic, and the other half playing the 2021 Gippsland Trophy.
Defending champion Ashleigh Barty won the women's singles tennis title at the 2021 Miami Open after Bianca Andreescu retired from the final with the scoreline at 6–3, 4–0. Barty saved a match point en route to the title, in the second round against Kristína Kučová.
Ashleigh Barty defeated Karolína Plíšková in the final, 6–3, 6–7(4–7), 6–3 to win the ladies' singles tennis title at the 2021 Wimbledon Championships. She became the first Australian to win the title since Evonne Goolagong Cawley in 1980, the first top seed to win the title since Serena Williams in 2016 and the first to do so at any major since Simona Halep at the 2018 French Open. Barty's victory made her the fourth player, following Ann Jones, Martina Hingis and Amélie Mauresmo, to win the women's singles title after previously winning the girls' singles title. She retained the WTA No. 1 singles ranking by reaching the semifinals, with Aryna Sabalenka having also been in contention for the top ranking.
The 2021 French Open – Women's singles qualifying was a series of tennis matches that took place from 24 May to 28 May 2021 to determine the sixteen qualifiers into the main draw of the 2021 French Open – Women's singles, and, if necessary, the lucky losers.
The 2021 Wimbledon Championships – Women's Singles Qualifying was a series of tennis matches that took place from 22 to 25 June 2021 to determine the sixteen qualifiers into the main draw of the 2021 Wimbledon Championships – Women's singles, and, if necessary, the lucky losers.
The 2021 WTA Romanian Open, known as the Winners Open due to sponsorship reasons, was a professional women's tennis tournament played on outdoor clay courts at the Winners Sports Club. It was the 1st edition of the tournament held in the city of Cluj-Napoca and was a part of the 2021 WTA Tour.
The 2022 French Open – Women's singles qualifying are a series of tennis matches that takes place from 16 to 20 May 2022 to determine the sixteen qualifiers into the main draw of the 2022 French Open – Women's singles, and, if necessary, the lucky losers.
Camila Giorgi defeated Rebecca Peterson in the final, 7–6(7–3), 1–6, 6–2 to win the singles tennis title at the 2023 Mérida Open.
Elena Rybakina defeated Aryna Sabalenka in the final, 7–6(13–11), 6–4 to win the women's singles tennis title at the 2023 Indian Wells Open. It was her first WTA 1000 title, and the final was a rematch of the Australian Open final, won by Sabalenka. Rybakina became the first Kazakhstani player to win a WTA 1000 singles title.
