Serena Williams was the defending champion, but withdrew before the tournament began.
Mona Barthel won the title, defeating Chanelle Scheepers in the final, 6–3, 7–6(7–3).
Andrea Petkovic was the defending champion, but she lost to Angelique Kerber in the semifinals.
Jeļena Ostapenko was the defending champion, but lost in the first round to Yanina Wickmayer.
Timea Bacsinszky was the defending champion, but chose not to participate this year.
Anastasia Pavlyuchenkova was the defending champion, but lost in the quarterfinals to Dominika Cibulková.
Anastasia Pavlyuchenkova was the defending champion, but chose to compete in Linz instead.
Belinda Bencic was the champion the last time the event was held in 2017, but chose to compete in St. Petersburg instead.
The 2019 Internationaux de Strasbourg was a professional tennis tournament played on clay courts. It was the 33rd edition of the tournament and part of the International-level tournament category of the 2019 WTA Tour. It took place at the Tennis Club de Strasbourg in Strasbourg, France, between 19 and 25 May 2019.
Caroline Wozniacki was the defending champion, but lost in the third round to Aryna Sabalenka in a rematch of the previous year's final.
Alizé Cornet was the defending champion, but lost in the final. Fiona Ferro won her first career WTA Tour singles title, defeating Cornet in the final, 6–1, 2–6, 6–1.
Karolína Plíšková was the defending champion, but chose to participate in Korea Open, instead.
Caroline Garcia was the defending champion, but lost in the second round to Wang Yafan.
Daria Kasatkina was the defending champion, but lost in the first round to Dayana Yastremska.
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.
Iga Świątek defeated Karolína Plíšková in the final, 6–0, 6–0 to win the women's singles tennis title at the 2021 Italian Open. It was her first WTA 1000 singles title, and the 13 points Świątek lost in the championship match is the fewest on record in a WTA 1000-level final. This was the first WTA Tour singles final to be resolved with a 'double bagel' scoreline since Simona Halep defeated Anastasija Sevastova at the 2016 Bucharest Open, and was just the tenth such final in WTA Tour history. With the win, Świątek broke into the top 10 of the WTA rankings for the first time. Both finalists saved match points in prior rounds – Świątek saved two match points in her third round match against Barbora Krejčíková, whilst Plíšková saved three match points in her quarterfinal match against Jeļena Ostapenko.
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.
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.
Barbora Krejčíková defeated Iga Świątek in the final, 6–4, 6–2 to win the women's singles tennis title at the 2023 Dubai Tennis Championships. It was her first WTA 1000 title. In addition to world No. 1 Świątek, Krejčíková also defeated No. 2 Aryna Sabalenka and No. 3 Jessica Pegula, becoming the fifth woman to defeat the top three ranked players in a single tournament, and the third to do so outside of the WTA Finals. Krejčíková also saved four match points en route to the title, in the second round against Daria Kasatkina.
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.
Aryna Sabalenka defeated Iga Świątek in the final, 6–3, 3–6, 6–3 to win the women's singles tennis title at the 2023 Madrid Open. This marked the first time since 2013 that the top two seeds reached the Madrid Open final. It was the first time since 2000 that the top two players on the WTA Tour contested back-to-back finals. The last time was 23 years ago, when Lindsay Davenport and Martina Hingis contested the Indian Wells and Miami finals.
Dayana Yastremska 
Caroline Garcia 
