Jelena Janković was the defending champion, but lost in the semifinals to Caroline Wozniacki.
Elina Svitolina was the defending champion but withdrew before her second round match.
Heather Watson was the defending champion, but lost in the quarterfinals to Angelique Kerber.
Lesia Tsurenko was the defending champion and successfully defended her title, defeating Stefanie Vögele in the final, 5–7, 7–6(7–2), 6–2.
Elina Svitolina was the defending champion, but chose to compete in Stuttgart instead.
Anett Kontaveit was the defending champion, but lost in the first round to Veronika Kudermetova.
Simona Halep defeated Sloane Stephens in the final, 7–6(8–6), 3–6, 6–4 to win the women's singles tennis title at the 2018 Canadian Open.
The 2019 US Open – Women's Singles Qualifying is a series of tennis matches that takes place from 19 August 2019 to 23 August 2019 to determine the sixteen qualifiers into the main draw of the 2019 US Open – Women's singles, and, if necessary, the lucky losers.
The 2019 Zhengzhou Open was a professional tennis tournament, played on outdoor hard courts. It was the sixth edition of the tournament and part of the Premier series on the 2019 WTA Tour, offering a total of $1,000,000 in prize money. It took place at the Zhongyuan Tennis Training Base Management Center in Zhengzhou, China, on 9–15 September 2019.
The 2019 Guangzhou International Women's Open was a professional women's tennis tournament played on outdoor hard courts. It was the 16th edition of the Guangzhou International Women's Open, and part of the WTA International tournaments of the 2019 WTA Tour. It took place at the Guangzhou Tianhe Sports Center in Guangzhou, China, from September 16 through September 21, 2019.
This was the first edition of the event.
Coco Gauff was the defending champion, but chose not to participate this year.
This was the first edition of the tournament.
The 2021 Nottingham Open was a professional tennis tournament played on outdoor grass courts. It was the 13th edition of the event for women and the 25th edition for men. It was classified as a WTA 250 on the 2021 WTA Tour for the women, and as an ATP Challenger Tour event for the men. The event took place at the Nottingham Tennis Centre in Nottingham, United Kingdom from 6 through 13 June 2021.
Johanna Konta defeated Zhang Shuai in the final, 6–2, 6–1 to win the women's singles tennis title at the 2021 Nottingham Open. The win earned Konta her fourth career singles title, her first since 2017, and made her the first British player to win a WTA Tour singles title on home soil since Sue Barker in 1981. This would also be Konta's final title before she announced her retirement in December 2021 due to a long-term knee injury.
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.
Anna Chakvetadze was the champion when the event was last held in 2010, but she retired from professional tennis in 2013.
Simona Halep defeated Veronika Kudermetova in the final, 6–2, 6–3 to win the women's singles tennis title at the 2022 Melbourne Summer Set 1. It was Halep's 23rd WTA Tour-level singles title, and her first in Australia.
Zhang Shuai defeated wildcard Dayana Yastremska in the final, 3–6, 6–3, 6–4 to win the Singles title at the 2022 WTA Lyon Open. It was her first title since 2017. Yastremska was participating in her first event since fleeing her native country of Ukraine due to the 2022 Russian invasion of Ukraine.
Marie Bouzková defeated Anastasia Potapova in the final, 6–0, 6–3 to win the singles tennis title at the 2022 Prague Open. It was her maiden WTA Tour title.
Sofia Kenin 
Samantha Stosur 
