Caroline Wozniacki was the defending champion, but she chose not to participate this year.
Belinda Bencic won the women's singles tennis title at the 2015 Canadian Open after Simona Halep retired in the final, with scoreline at 7–6(7–5), 6–7(4–7), 3–0. Bencic defeated six major finalists in succession en route to her first WTA Tour title. At 18 years and 23 weeks of age, Bencic became the youngest woman to win the tournament, surpassing Ana Ivanovic's record from 2006.
Elina Svitolina was the defending champion, but chose not to participate this year.
Lesia Tsurenko was the defending champion, but lost in the first round to Aleksandra Krunić.
Ashleigh Barty defeated Karolína Plíšková in the final, 7–6(7–1), 6–3 to win the women's singles tennis title at the 2019 Miami Open. It was Barty's first WTA Premier Mandatory title. She entered the top 10 in the WTA rankings for the first time with the win.
Jeļena Ostapenko defeated Anett Kontaveit in the final, 6–3, 6–3, to win the women's singles tennis title at the 2021 Eastbourne International. By winning her fourth career WTA Tour singles title, Ostapenko became the tournament's third wildcard champion, following Monica Seles (1996) and Julie Halard-Decugis (2000).
Aryna Sabalenka was the defending champion, but she chose not to compete this year.
The 2021 Kremlin Cup was a professional tennis tournament played on indoor hard courts. It was the 31st edition of the Kremlin Cup for the men and the 25th edition for the women. The tournament was part of the ATP 250 series of the 2021 ATP Tour, and of the WTA 500 series of the 2021 WTA Tour. It was held at the Irina Viner-Usmanova Gymnastics Palace and the Luzhniki Palace of Sports in Moscow, Russia, from 18 October through 24 October 2021.
This was the first edition of the event.
The 2021 Transylvania Open was a women's tennis tournament played on indoor hard courts. It was the first edition of the Transylvania Open, and part of the WTA 250 series of the 2021 WTA Tour. It was held at the BT Arena in Cluj-Napoca, Romania, from 25 October until 31 October 2021. Second-seeded Anett Kontaveit won the singles title. By winning the title, Kontaveit qualified for the WTA Finals.
This was the first edition of the tournament.
This article shows the qualifying draw for women's singles at the 2022 Australian Open.
The 2022 St. Petersburg Ladies' Trophy was a professional tennis tournament played on indoor hard courts. It was the 13th edition of the event and a WTA 500 tournament on the 2022 WTA Tour. It was held between 6 and 13 February 2022.
Iga Świątek defeated Coco Gauff in the final, 6–1, 6–3 to win the women's singles tennis title at the 2022 French Open. It was her second French Open title and second major title overall. She dropped just one set en route, in the fourth round to Zheng Qinwen. With the win, Świątek extended her winning streak to 35 matches, equaling Venus Williams' tally from the 2000 season. Świątek also became the youngest winner of multiple majors since Maria Sharapova in 2006.
Anett Kontaveit defeated Maria Sakkari in the final, 5–7, 7–6(7–4), 7–5 to win the singles title at the 2022 St. Petersburg Ladies' Trophy. Kontaveit's victory in the final was her 20th consecutive match win on indoor hard courts, dating back to the 2021 Ostrava Open; this is the longest such streak since Justine Henin won 22 matches on indoor courts between October 2007 and May 2010.
Iga Świątek defeated Maria Sakkari in the final, 6–4, 6–1 to win the women's singles tennis title at the 2022 Indian Wells Masters. She became the first Pole to win the title.
Iga Świątek defeated Naomi Osaka in the final, 6–4, 6–0 to win the women's singles tennis title at the 2022 Miami Open. She became the fourth woman in history to complete the Sunshine Double in singles, having won Indian Wells two weeks earlier. It was Świątek's first Miami Open title, her third consecutive WTA 1000 title, and her fourth WTA 1000-level title overall. Świątek became the first woman in history to win the first three WTA 1000 titles of the year in succession, the first player since Serena Williams in 2013 to win three consecutive WTA 1000 titles, and extended her winning streak to 17 matches. She lost no sets and just 26 games en route to the title, the fewest since Martina Hingis dropped 21 games in 2000; she was the first player to win the title in Miami without dropping a set since Azarenka in 2016. Additionally, Świątek won Miami exactly 10 years after fellow Polish tennis player Agnieszka Radwańska won the tournament in 2012.
Ons Jabeur defeated Jessica Pegula in the final, 7–5, 0–6, 6–2 to win the women's singles tennis title at the 2022 Madrid Open. It was her first WTA 1000 title, and she became the first Arab and African woman to win a WTA 1000 title.
Elena Rybakina won the women's singles tennis title at the 2023 Italian Open after Anhelina Kalinina retired from the final with the scoreline at 6–4, 1–0. It was Rybakina's second career WTA 1000 title. Rybakina won three of her six matches at the tournament via retirement: over Anna Kalinskaya in the third round, Iga Świątek in the quarterfinals, and Kalinina in the final. With the win, Rybakina entered the top five in the WTA rankings for the first time at world No. 4.
Jeļena Ostapenko defeated Daria Kasatkina in the final, 6–3, 6–2 to win the women's singles tennis title at the 2024 Adelaide International. With her run, Ostapenko returned to the top ten of the WTA rankings for the first time since September 2018.
Anett Kontaveit 
Ekaterina Alexandrova 
