The 2015 İstanbul Cup was a tennis tournament played on outdoor hard courts. It was the 8th edition of the İstanbul Cup, and part of the WTA International tournaments of the 2015 WTA Tour. It took place in İstanbul, Turkey, from July 20 through July 27, 2015.
The 2017 Internationaux de Strasbourg was a professional tennis tournament played on clay courts. It was the 31st edition of the tournament and part of the International-level tournament category of the 2017 WTA Tour. It took place at the Tennis Club de Strasbourg in Strasbourg, France, on 22-28 May 2017.
The 2018 Qatar Total Open was a professional women's tennis tournament played on hard courts. It was the 16th edition of the event and a WTA Premier 5 tournament on the 2018 WTA Tour. It took place at the International Tennis and Squash complex in Doha, Qatar between 12 and 17 February 2018.
Markéta Vondroušová was the defending champion, but lost in the second round to Elise Mertens.
The 2018 O1 Properties Ladies Cup was a professional tennis tournament played on indoor hard courts. It was the third edition of the tournament and was part of the 2018 ITF Women's Circuit. It took place in Khimki, Russia, on 30 April–5 May 2018.
Garbiñe Muguruza was the defending champion, but lost in the second round to Lesia Tsurenko.
The 2019 St. Petersburg Ladies' Trophy was a professional tennis tournament played on indoor hard courts. It was the 10th edition of the tournament and fourth time as a WTA Premier tournament. It was part of the 2019 WTA Tour and was held between 28 January and 3 February 2019.
Petra Kvitová was the defending champion, but lost to Donna Vekić in the quarterfinals.
The 2019 Baltic Open was a professional tennis tournament played on clay courts. It was the 1st edition of the Baltic Open as part of the WTA International tournaments of the 2019 WTA Tour. It took place at the National Tennis Centre Lielupe in Jūrmala, Latvia, from 22 to 28 July 2019.
The 2020 Qatar Total Open was a professional women's tennis tournament played on hard courts. It was the 18th edition of the event and a WTA Premier 5 tournament on the 2020 WTA Tour. It took place at the International Tennis and Squash complex in Doha, Qatar between 23 and 29 February 2020.
The 2020 İstanbul Cup was a tennis tournament played on outdoor clay courts. It was the 13th edition of the İstanbul Cup, and part of the WTA International tournaments of the 2020 WTA Tour. It took place in Istanbul, Turkey, from 8 through 13 September 2020.
Tímea Babos and Kristina Mladenovic were the defending champions and successfully defended their title, defeating Alexa Guarachi and Desirae Krawczyk in the final, 6–4, 7–5.
The 2021 Abu Dhabi Women's Tennis Open was a women's tennis tournament played on outdoor hard courts. It was the inaugural professional edition of the event and a WTA 500 tournament on the 2021 WTA Tour. It took place at the Zayed Sports City International Tennis Centre in Abu Dhabi, from 6 to 13 January 2021.
The 2021 Lyon Open is a women's tennis tournament played on indoor hard courts. It is the second edition of the Lyon Open (WTA) and an International tournament on the 2021 WTA Tour. It will take place at the Halle Tony Garnier in Lyon, France, from 1 to 7 March 2021.
Daria Kasatkina won the Women's Singles title at the 2021 St. Petersburg Ladies' Trophy, after Margarita Gasparyan retired from the final with the scoreline at 6–3, 2–1.
Shuko Aoyama and Ena Shibahara were the defending champions, but they decided not to participate this year.
The 2021 İstanbul Cup is a tennis tournament played on outdoor clay courts. It is the 14th edition of the İstanbul Cup, and part of the WTA International tournaments of the 2021 WTA Tour. It will take place in Istanbul, Turkey, from 19 through 25 April 2021.
Samantha Stosur and Zhang Shuai defeated Coco Gauff and Caty McNally in the final, 6–3, 3–6, 6–3 to win the women's doubles title at the 2021 US Open. This was Stosur's fourth major title in women's doubles and eighth major overall, as well as Zhang's second major title; this was the pair's second major title, after their victory at the 2019 Australian Open. This was the first major final that either Gauff or McNally participated in.
The 2021 Kremlin Cup was a professional tennis tournament played on indoor hard courts. It was the 31st edition of the Kremlin Cup for the men and the 25th edition for the women. The tournament was part of the ATP 250 series of the 2021 ATP Tour, and of the WTA 500 series of the 2021 WTA Tour. It was held at the Irina Viner-Usmanova Gymnastics Palace and the Luzhniki Palace of Sports in Moscow, Russia, from 18 October through 24 October 2021.
Daria Kasatkina 
Nadiia Kichenok / 
Raluca Olaru 
