Angelique Kerber was the reigning champion, but chose to compete in Båstad instead.
Johanna Larsson was the defending champion, but lost in the semifinals to Kateřina Siniaková.
Johanna Konta defeated Caroline Wozniacki in the final, 6–4, 6–3 to win the women's singles tennis title at the 2017 Miami Open.
Garbiñe Muguruza defeated Simona Halep in the final, 6–1, 6–0 to win the women's singles tennis title at the 2017 Cincinnati Masters. By losing in the final, Halep failed to take advantage of her third opportunity in 2017 to take over the WTA No. 1 singles ranking when the top ranking was only one match win away.
Caroline Garcia defeated Ashleigh Barty in the final, 6–7(3–7), 7–6(7–4), 6–2 to win the singles tennis title at the 2017 Wuhan Open.
Caroline Garcia defeated Simona Halep in the final, 6–4, 7–6(7–3) to win the women's singles tennis title at the 2017 China Open. As of 2019, Garcia is the only player to win singles titles in both Wuhan and Beijing in the same year.
Lesia Tsurenko was the two-time defending champion, but chose not to defend her title.
Bianca Andreescu defeated Angelique Kerber in the final, 6–4, 3–6, 6–4 to win the women's singles tennis title at the 2019 Indian Wells Open. It was her first WTA Tour title, and Andreescu became the first wildcard champion in the tournament's history, as well as the youngest champion since Serena Williams in 1999. This marked the second consecutive year where a player won the tournament as her first WTA Tour singles title.
The 2019 Grand Prix SAR La Princesse Lalla Meryem was a women's professional tennis tournament played on clay courts. It was the 19th edition of the tournament and part of the WTA International tournaments category of the 2019 WTA Tour. It took place in Rabat, Morocco, between 29 April and 4 May 2019.
Alison Riske defeated Kiki Bertens in the final, 0–6, 7–6(7–3), 7–5, to win the women's singles title at the 2019 Rosmalen Grass Court Championships. Riske saved five championship points en route to winning her second career WTA Tour singles title, her first in five years.
Tatjana Maria was the defending champion, but chose not to participate this year.
Bianca Andreescu won the women's singles tennis title at the 2019 Canadian Open after Serena Williams retired in the final due to back spasms, with the scoreline at 3–1. Andreescu became the first Canadian to win the event since Faye Urban in 1969.
Coco Gauff defeated Jeļena Ostapenko in the final, 6–3, 1–6, 6–2 to win the singles tennis title at the 2019 Linz Open. It was her first WTA Tour title. Aged 15 years and 7 months, Gauff became the youngest WTA Tour singles titlist since Nicole Vaidišová in 2004. Gauff was a lucky loser, only receiving a spot in the main draw because Maria Sakkari withdrew shortly before her first round match. Gauff became only the third player in WTA history to win a tournament as a lucky loser, and the first since Olga Danilović won the 2018 Moscow River Cup.
Jeļena Ostapenko won the title, defeating defending champion Julia Görges in the final, 6–4, 6–1.
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.
Jil Teichmann was the defending champion, but chose not to participate.
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.
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.
Aryna Sabalenka defeated Ashleigh Barty in the final, 6–0, 3–6, 6–4 to win the women's singles tennis title at the 2021 Madrid Open. It was her 10th career WTA Tour singles title, and her first on clay.
Petra Martić defeated Olga Danilović in the final, 6–4, 6–2 to win the singles tennis title at the 2022 Ladies Open Lausanne. It was Martić's first WTA title since Istanbul in 2019.
Maria Sakkari 
Johanna Konta 
