The 2015 Tianjin Open was a women's professional tennis tournament played on hard courts. It was the 2nd edition of the tournament, and part of the 2015 WTA Tour. It took place in Tianjin, China between 12 and 18 October 2015.
The 2015 BGL Luxembourg Open was a women's tennis tournament played on indoor hard courts sponsored by BNP Paribas. It was the 20th edition of the Luxembourg Open, and part of the WTA International tournaments category of the 2015 WTA Tour. It was held in Kockelscheuer, Luxembourg, on 19–25 October 2015.
The 2016 Porsche Tennis Grand Prix was a women's tennis tournament played on indoor clay courts. It was the 39th edition of the Porsche Tennis Grand Prix, and part of the Premier tournaments of the 2016 WTA Tour. It took place at the Porsche Arena in Stuttgart, Germany, from 18 April through 24 April 2016.
The 2016 Mutua Madrid Open was a professional tennis tournament played on outdoor clay courts at the Park Manzanares in Madrid, Spain from 30 April to 8 May 2016. It was the 15th edition of the event on the ATP World Tour and 8th on the WTA Tour. It was classified as an ATP World Tour Masters 1000 event on the 2016 ATP World Tour and a Premier Mandatory event on the 2016 WTA Tour.
The 2016 Tashkent Open was a WTA International tennis tournament played on outdoor hard courts. It was the 18th edition of the Tashkent Open, on the 2016 WTA Tour. It took place at the Tashkent Tennis Center in Tashkent, Uzbekistan, between September 26 and October 1, 2016.
The 2017 Apia International Sydney was a joint 2017 ATP World Tour and 2017 WTA Tour tennis tournament, played on outdoor hard courts in Sydney, New South Wales (NSW). It was the 124th edition of the tournament and took place at the NSW Tennis Centre in Sydney, Australia. It was held from 8 January through 14 January 2017 as part of the Australian Open Series in preparation for the first Grand Slam of the year.
The 2017 St. Petersburg Ladies' Trophy was a professional tennis tournament played on indoor hard courts. It was the eighth edition of the tournament and second time as a WTA Premier tournament. It was part of the 2017 WTA Tour and was held between 30 January and 5 February 2017.
The 2017 Porsche Tennis Grand Prix was a women's tennis tournament played on indoor clay courts. It was the 40th edition of the Porsche Tennis Grand Prix, and part of the Premier tournaments of the 2017 WTA Tour. It took place at the Porsche Arena in Stuttgart, Germany, from 24 to 30 April 2017.
The 2018 St. Petersburg Ladies' Trophy was a professional tennis tournament played on indoor hard courts. It was the 9th edition of the tournament and third time as a WTA Premier tournament. It was part of the 2018 WTA Tour and was held between 29 January and 4 February 2018.
The 2019 Auckland Open was a joint ATP and WTA tennis tournament, played on outdoor hard courts. It was the 34th edition of the women's event, and the 43rd edition of the men's event. It took place at the ASB Tennis Centre in Auckland, New Zealand, from 31 December 2018 to 6 January 2019 for the women, and from 7 to 12 January 2019 for the men.
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.
The 2019 Karlsruhe Open was a professional tennis tournament played on outdoor clay courts. It was the 1st edition of the tournament and part of the 2019 WTA 125K series, offering a total of $125,000 in prize money. It took place in Karlsruhe, Germany between 29 July and 4 August 2019.
The 2019 Japan Women's Open was a women's tennis tournament played on outdoor hard courts. It was the eleventh edition of the Japan Women's Open, and part of the WTA International tournaments of the 2019 WTA Tour. It was held at the Regional Park Tennis Stadium in Hiroshima, Japan, from September 9 through September 15, 2019.
The 2019 Upper Austria Ladies Linz was a women's tennis tournament played on indoor hard courts. It was the 33rd edition of the Linz Open, and part of the WTA International tournaments-category of the 2019 WTA Tour. It was held at the TipsArena Linz in Linz, Austria, from 7 to 13 October 2019.
The 2019 BGL BNP Paribas Luxembourg Open was a professional women's tennis tournament played on indoor hard courts sponsored by BNP Paribas. It was the 24th edition of the Luxembourg Open, and part of the WTA International tournaments category of the 2019 WTA Tour. It was held in Kockelscheuer, Luxembourg from 14 to 20 October 2019.
The 2020 Prague Open was a professional women's tennis tournament that was played on outdoor clay courts at the TK Sparta Praha in Prague, Czech Republic. It was a WTA International-class tournament on the 2020 WTA Tour.
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.
The 2020 Upper Austria Ladies Linz was a women's tennis tournament played on indoor hard courts. It was the 30th edition of the Linz Open, and part of the WTA International tournaments category of the 2020 WTA Tour. Originally scheduled from 19 to 25 October 2020 at the TipsArena Linz in Linz, Austria, it was rescheduled for 9 to 15 November 2020 due to the COVID-19 pandemic.
The 2021 Phillip Island Trophy is a tournament on the 2021 WTA Tour, one of six events in the 2021 Melbourne Summer Series. It was played on outdoor hard courts in Melbourne, Australia. It was organised as a lead-up tournament to the 2021 Australian Open, and was held at the same venue, due to other tournaments in Australia being cancelled as a result from the COVID-19 pandemic. This tournament took place simultaneously with the second week of the 2021 Australian Open.
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.
Roberta Vinci 
Martina Hingis / 
Sania Mirza 
