Mona Barthel is a German tennis player. On 18 March 2013, she reached her best singles ranking of world No. 23. On 14 September 2015, she peaked at No. 63 in the doubles rankings.
Kiki Bertens is a Dutch former professional tennis player. Her career-high singles ranking was world No. 4, which she reached on 13 May 2019, becoming the highest-ranked Dutch female player ever. Her career-high doubles ranking of world No. 16, she achieved in April 2018. She won ten singles and ten doubles titles on the WTA Tour, including 2018 Cincinnati Open and 2019 Madrid Open. Bertens was widely regarded as a clay court specialist, but also was successful on hardcourt.
The 2012 Open GDF Suez was a women's professional tennis tournament played on indoor hard courts. It was the 20th edition of the Open GDF Suez and was a Premier tournament on the 2012 WTA Tour. It took place at Stade Pierre de Coubertin in Paris, France from 4 February through 12 February 2012.
Petra Kvitová defeated Li Na in the final, 7–5, 2–6, 6–3 to win the women's singles tennis title at the 2012 Canadian Open.
Nadia Petrova defeated the defending champion Agnieszka Radwańska in the final, 6–0, 1–6, 6–3 to win the singles tennis title at the 2012 Pan Pacific Open.
Angelique Kerber was the defending champion, but she decided not to participate this year.
The 2014 Open GDF Suez was a women's professional tennis tournament played on indoor hardcourts. It was the 22nd and last edition of the Open GDF Suez and a Premier tournament on the 2014 WTA Tour. It took place at Stade Pierre de Coubertin in Paris, France from January 25 through February 2, 2014. Unseeded Anastasia Pavlyuchenkova won the singles title.
The 2014 Generali Ladies Linz was a tennis tournament played on indoor hard courts. It was the 28th edition of the Generali Ladies Linz, and part of the WTA International tournaments-category of the 2014 WTA Tour. It was held at the TipsArena Linz in Linz, Austria, on 6–12 October 2014.
Madison Keys was the defending champion, but lost in the second round to Belinda Bencic.
Petra Kvitová was the defending champion, and successfully defended her title, defeating compatriot and fourth seed Lucie Šafářová in the final 6–7(6–8), 6–2, 6–2.
The 2016 Hobart International was a women's tennis tournament played on outdoor hard courts. It was the 23nd edition of the event and part of the WTA International tournaments of the 2016 WTA Tour. It took place at the Hobart International Tennis Centre in Hobart, Australia from 10 through 16 January 2016.
The 2016 BNP Paribas Open was a professional tennis tournament played at Indian Wells, California in March 2016. It was the 43rd edition of the men's event and 28th of the women's event, and 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. Both the men's and the women's events took place at the Indian Wells Tennis Garden in Indian Wells, California, from March 7 through March 20, 2016, on outdoor hard courts.
Victoria Azarenka defeated Serena Williams in the final, 6–4, 6–4 to win the women's singles tennis title at the 2016 Indian Wells Masters. It was her second Indian Wells title.
The 2016 Wuhan Open was a women's tennis tournament played on outdoor hard courts between September 25 and October 1, 2016. It was the 3rd edition of the Wuhan Open, and part of the WTA Premier 5 tournaments of the 2016 WTA Tour. The tournament was held at the Optics Valley International Tennis Center in Wuhan, China.
The 2017 Aegon International Eastbourne was a combined men's and women's tennis tournament played on outdoor grass courts. It was the 43rd edition of the event for women and the seventh edition for men. The tournament was classified as a WTA Premier tournament on the WTA Tour and as an ATP World Tour 250 series on the ATP Tour. The event took place at the Devonshire Park Lawn Tennis Club in Eastbourne, United Kingdom from 26 June to 1 July 2017.
The 2017 Upper Austria Ladies Linz was a women's tennis tournament played on indoor hard courts. It was the 31st edition of the Generali Ladies Linz, and part of the WTA International tournaments-category of the 2017 WTA Tour. It was held at the TipsArena Linz in Linz, Austria, on 9–15 October 2017.
The 2017 BGL BNP Paribas Luxembourg Open was a women's tennis tournament played on indoor hard courts sponsored by BNP Paribas. It was the 22nd edition of the Luxembourg Open, and part of the WTA International tournaments category of the 2017 WTA Tour. It was held in Kockelscheuer, Luxembourg, on 16–21 October 2017.
The 2018 Volvo Car Open was a women's tennis event on the 2018 WTA Tour. It took place between April 2 – 8, 2018 and was the 46th edition of the Charleston Open tournament and a Premier level tournament. The event took place at the Family Circle Tennis Center, on Daniel Island, Charleston, United States. It was the only event of the clay court season played on green clay.
Petra Kvitová defeated Kiki Bertens in the final, 7–6(8–6), 4–6, 6–3 to win the women's singles tennis title at the 2018 Madrid Open. It was Kvitová's third Madrid Open title, and she became the first player to win three women's singles titles at the Madrid Open.
The 2019 Porsche Tennis Grand Prix was a women's tennis tournament played on indoor clay courts. It was the 42nd edition of the Porsche Tennis Grand Prix, and part of the Premier tournaments of the 2019 WTA Tour. It took place at the Porsche Arena in Stuttgart, Germany, from 22 April until 28 April 2019. Third-seeded Petra Kvitová won the singles title.
Mona Barthel 
Sara Errani / 
