The 2015 BRD Bucharest Open was a professional tennis tournament played on red clay courts. It was the 2nd edition of the tournament and part of the 2015 WTA Tour. It took place at Arenele BNR in Bucharest, Romania between 13 and 19 July 2015.
The 2018 BRD Bucharest Open was a tennis tournament played on outdoor clay courts. It was the fifth edition of the tournament and part of the International category of the 2018 WTA Tour. It was held from 16 to 22 July 2018 at the Arenele BNR in Bucharest, Romania.
The 2019 BRD Bucharest Open was a tennis tournament played on outdoor clay courts. It was the sixth edition of the tournament and part of the International category of the 2019 WTA Tour. It was held from 15 to 21 July 2019 at the Arenele BNR in Bucharest, Romania.
The 2021 St. Petersburg Ladies' Trophy is a professional tennis tournament played on indoor hard courts. It is the 12th edition of the tournament and a WTA 500 tournament on the 2021 WTA Tour. The tournament is held between 15 and 21 March 2021.
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.
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 2021 Tenerife Ladies Open was a women's tennis tournament played on outdoor hard courts. It was the first edition of the Tenerife Ladies Open, and part of the WTA 250 series of the 2021 WTA Tour. It was held at the Abama Tennis Academy in Guía de Isora, Spain, from 18 until 24 October 2021.
The 2021 Transylvania Open was a women's tennis tournament played on indoor hard courts. It was the first edition of the Transylvania Open, and part of the WTA 250 series of the 2021 WTA Tour. It was held at the BT Arena in Cluj-Napoca, Romania, from 25 October until 31 October 2021. Second-seeded Anett Kontaveit won the singles title. By winning the title, Kontaveit qualified for the WTA Finals.
The 2022 St. Petersburg Ladies' Trophy was a professional tennis tournament played on indoor hard courts. It was the 13th edition of the event and a WTA 500 tournament on the 2022 WTA Tour. It was held between 6 and 13 February 2022.
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.
The 2022 İstanbul Cup was a tennis tournament played on outdoor clay courts. It was the 15th edition of the İstanbul Cup, and part of the WTA International tournaments of the 2022 WTA Tour. It took place in Istanbul, Turkey, from 19 through 24 April 2022.
The 2022 Birmingham Classic was a women's tennis tournament being played on outdoor grass courts. It was the 40th edition of the event, and a WTA 250 tournament on the 2022 WTA Tour. It took place at the Edgbaston Priory Club in Birmingham, United Kingdom, on 13–19 June 2022.
The 2022 Washington Open was a tennis tournament played on outdoor hard courts. It was the 53rd edition of the Washington Open for the men. It was the 10th edition of the tournament for the women and the first since 2019. The event was part of the ATP Tour 500 series of the 2022 ATP Tour, WTA 250 of the 2022 WTA Tour and part of the US Open Series leading up to the US Open grand slam in September. The Washington Open took place at the William H.G. FitzGerald Tennis Center in Washington, D.C., United States, from August 1 to August 7, 2022.
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.
The 2023 Upper Austria Ladies Linz was a professional women's tennis tournament played on indoor hard courts. It was the 32nd edition of the tournament, and part of the WTA 250 series of the 2023 WTA Tour. It was held at the Design Center Linz in Linz, Austria, from 6 to 12 February 2023. Due to scheduling issues, the October 2022 edition was delayed to February 2023 in order to attract top WTA players to compete in the tournament.
The 2023 Monterrey Open was a women's tennis tournament played on outdoor hard courts. It was the 15th edition of the Monterrey Open and a WTA 250 tournament on the 2023 WTA Tour. It took place at the Club Sonoma in Monterrey, Mexico, from February 27 to March 5, 2023.
The 2023 Iași Open was a professional tennis tournament played on outdoor clay courts. It was the fourth edition of the men's tournament which is part of the 2023 ATP Challenger Tour and second edition of the women's tournament which is part of 2023 WTA 125 tournaments. It took place in Iași, Romania between 10 and 16 July 2023 for the men and between 17 and 23 July for the women.
The 2023 Țiriac Foundation Trophy was a professional tennis tournament played on outdoor clay courts. It was the eighth edition of the tournament and second as a WTA 125 which was also part of the 2023 WTA 125 tournaments, offering a total of $115,000 in prize money. It took place at the National Tennis Centre in Bucharest, Romania between 11 and 17 September 2022.
The 2023 WTA Zavarovalnica Sava Ljubljana was a professional women's tennis tournament played on outdoor clay courts. It was the first edition of the tournament and part of the 2023 WTA 125 tournaments, offering a total of $115,000 in prize money. It took place at the Tivoli Tennis Center in Ljubljana, Slovenia between 11 and 17 September 2023. However, the centre court action was organized at the Mima Jaušovec Court, placed in the middle of the Republic Square.
Karolína Plíšková 
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