Mona Barthel was the defending champion, but lost in the first round to Antonia Lottner.
The 2018 Connecticut Open was a tennis tournament played on outdoor hard courts. It was the 50th edition of the Connecticut Open, and part of the Premier Series of the 2018 WTA Tour. It took place at the Cullman-Heyman Tennis Center in New Haven, Connecticut, United States, from August 19 through August 25. It was the last event of the 2018 US Open Series before the 2018 US Open.
The 2018 Toray Pan Pacific Open is a women's tennis tournament played on indoor hard courts. It was the 35th edition of the Pan Pacific Open, and part of the Premier Series of the 2018 WTA Tour. It took place at the Arena Tachikawa Tachihi in Tachikawa, Tokyo, Japan, on 17–23 September 2018.
The 2019 J&T Banka Prague Open was a professional tennis tournament played on outdoor clay courts. It was the 10th edition of the tournament, and part of the International category of the 2019 WTA Tour. It took place at the TK Sparta Prague in Prague, Czech Republic, from 29 April to 4 May 2019.
The 2019 Italian Open was a professional tennis tournament played on outdoor clay courts at the Foro Italico in Rome, Italy from 15 to 21 May 2019. It was the 76th edition of the Italian Open and was classified as an ATP Tour Masters 1000 event on the 2019 ATP Tour and a Premier 5 event on the 2019 WTA Tour.
Petra Kvitová was the defending champion, but chose not to participate this year.
The 2019 Nottingham Open was a professional tennis tournament played on outdoor grass courts. It was the 12th edition of the event for women and the 24th edition for men. It is classified as a WTA International tournament on the 2019 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 10 through 16 June 2019.
The 2019 Eastbourne International was a combined men's and women's tennis tournament played on outdoor grass courts. It was the 45th edition of the event for the women and the 9th edition for the men. The tournament was classified as a WTA Premier tournament on the 2019 WTA Tour and as an ATP Tour 250 series on the 2019 ATP Tour. The tournament took place at the Devonshire Park Lawn Tennis Club in Eastbourne, United Kingdom between 23 and 29 June 2019.
The 2020 Italian Open was a professional tennis tournament played on outdoor clay courts at the Foro Italico in Rome, Italy.
The 2020 Prague Open was a professional women's tennis tournament that was played on outdoor clay courts at the TK Sparta Prague in Prague, Czech Republic. It was a WTA International-class tournament on the 2020 WTA Tour.
The 2021 Abierto Zapopan was a professional tennis tournament played on outdoor hard courts. It was the 2nd edition of the tournament and part of the 2021 WTA Tour.
Barbora Krejčíková defeated Anastasia Pavlyuchenkova in the final, 6–1, 2–6, 6–4 to win the women's singles tennis title at the 2021 French Open. It was her first major singles title. Krejčíková saved a match point en route to the title, in the semifinals against Maria Sakkari, making her the first player since Justine Henin in 2005 and the third woman in the Open Era to win the French Open after saving a match point. Krejčíková and Pavlyuchenkova were the combined lowest ranked major finalists since the introduction of the computer rankings began in 1975.
The 2021 WTA Romanian Open, known as the Winners Open due to sponsorship reasons, was a professional women's tennis tournament played on outdoor clay courts at the Winners Sports Club. It was the 1st edition of the tournament held in the city of Cluj-Napoca and was a part of the 2021 WTA Tour.
The 2021 WTA Slovenia Open was a WTA 250 tournament played on outdoor hard courts. It was the 7th edition of the Slovenia Open, last held in 2010. It was primarily organised due to the cancellation of the Asian tournaments during the 2021 season because of the ongoing COVID-19 pandemic. The 2021 event took place at the Tennis Club Portorož in Portorož, Slovenia from 13 to 19 September 2021.
The 2022 Porsche Tennis Grand Prix was a women's professional tennis tournament played on indoor clay courts at the Porsche Arena in Stuttgart, Germany, from 18 to 24 April 2022. It was the 44th edition of the Porsche Tennis Grand Prix and is classified as a WTA 500 tournament on the 2022 WTA Tour.
The 2022 Transylvania Open was a women's tennis tournament played on indoor hard courts. It was the second edition of the Transylvania Open, and part of the WTA 250 series of the 2022 WTA Tour. It was held at the BT Arena in Cluj-Napoca, Romania, from 10 until 16 October 2022.
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. It was her fifth WTA 1000 title. This marked the first time since 2013 that the top two seeds contested the Madrid Open final. It was also the first time since 2000 that the top two players on the WTA Tour contested back-to-back finals, after Świątek won in Stuttgart the week prior.
The 2023 Eastbourne International was a combined men's and women's tennis tournament to be played on outdoor grass courts. It was the 48th edition of the event for the women and the 12th edition for the men. The tournament was classified as a WTA 500 tournament on the 2023 WTA Tour and as an ATP Tour 250 series on the 2023 ATP Tour. The tournament took place at the Devonshire Park Lawn Tennis Club in Eastbourne, United Kingdom between 26 June and 1 July 2023.
The 2023 Zhengzhou Open was a professional women's tennis tournament played on outdoor hard courts. It was the seventh edition of the tournament and categorized as a WTA 500 tournament on the 2023 WTA Tour. It took place at the Henan Provincial Stadium in Zhengzhou, China from 9 October to 15 October 2023. This was the first edition of the tournament held since 2019, as the intervening editions were canceled due to the COVID-19 pandemic in China.
The 2023 Transylvania Open was a women's tennis tournament played on indoor hard courts. It was the third edition of the Transylvania Open, and part of the WTA 250 series of the 2023 WTA Tour. It was held at the BT Arena in Cluj-Napoca, Romania, from 16 until 22 October 2023.
Petra Kvitová 
Nicole Melichar / 
