Elitsa Kostova was the defending champion from the event's previous edition as an ITF Women's Circuit tournament, but lost in the first round of qualifying to Barbora Štefková.
Angelique Kerber was the two-time defending champion, but she lost in the second round to Kristina Mladenovic.
Simona Halep was the defending champion and successfully defended her title, defeating Kristina Mladenovic in the final, 7–5, 6–7(5–7), 6–2.
This was the first edition of the tournament.
The 2020 St. Petersburg Ladies' Trophy was a professional tennis tournament played on indoor hard courts. It was the 11th edition of the tournament and a WTA Premier tournament on the 2020 WTA Tour. The tournament was held between 10 February and 16 February 2020.
Kiki Bertens was the defending champion and successfully defended her title, defeating Elena Rybakina in the final, 6–1, 6–3. This would be Bertens' final WTA Tour singles title before her retirement in July 2021.
The 2020 Internazionali Femminili di Palermo was a professional women's tennis tournament played on outdoor clay courts at the Country Time Club. It was the 28th edition of the tournament which was part of the 2020 WTA Tour. It took place in Palermo, Italy between 3 and 9 August 2020. This was the first tournament of the 2020 WTA Tour after the suspension due to COVID-19 pandemic. This restrictions have eased to reduce a number of spectators to 350, and limited of photographers and journalists.
Jil Teichmann was the defending champion, but chose to participate in Lexington instead.
This article displays the qualifying draw for women's singles at the 2021 Australian Open.
Ashleigh Barty was the defending champion from when the tournament was last held in 2019, and she successfully defended her title after Bianca Andreescu retired from the final with the scoreline at 6–3, 4–0. Barty saved a match point in the second round against Kristína Kučová en route to the title. The victory earned Barty her first successful title defense in her singles career and made her the sixth woman to accomplish a title defense at the Miami Open.
Dinara Safina was the defending champion from when the event was last held in 2008, but she retired in 2014. It is the 94th edition of the event on the 2021 WTA Tour, and the first tournament since 2008 after the 2020 event was cancelled due to the COVID-19 pandemic in Germany. This is also the first event of the tournament being held on grass courts, as opposed to clay courts.
Fiona Ferro was the defending champion, but she chose not to participate, as she was competing at the Summer Olympics.
The 2021 Tennis in the Land event was a professional women's tennis tournament played on outdoor hard courts at Jacobs Pavilion. It was the first edition of the tournament held in the city of Cleveland in the United States and was a part of the WTA 250 category of the 2021 WTA Tour.
Ashleigh Barty defeated Jil Teichmann in the final, 6–3, 6–1, to win the women's singles title at the 2021 Cincinnati Masters and her first title at the tournament. Barty won the title without dropping a set. It was her fifth and last title of the season, her third WTA 1000 title, and her 13th career singles title overall on the WTA Tour.
Aryna Sabalenka was the defending champion, but she chose not to compete this year.
Amanda Anisimova won her first title since 2019, defeating Aliaksandra Sasnovich in the final, 7–5, 1–6, 6–4.
Paula Badosa defeated Barbora Krejčíková in the final, 6–3, 4–6, 7–6(7–4) to win the women's singles tennis title at the 2022 Sydney International. Krejčíková reached the final after having saved seven match points in her semifinal match against Anett Kontaveit.
This was the second edition of the Adelaide International held in 2022, although this was the first time that the event was held at WTA 250 level.
Iga Świątek won the women's singles tennis title at the 2022 Indian Wells Masters, defeating Maria Sakkari in the final, 6–4, 6–1. Świątek became the first Polish player to win a title at Indian Wells, and also rose to a career-high ranking of No. 2 in the world by winning the title.
Iga Świątek defeated Anett Kontaveit in the final, 6–2, 6–0 to win the singles title at the 2022 Qatar Open.
Fiona Ferro 
Anett Kontaveit 
