| Brisbane | Sydney | Adelaide | Paris | Antwerp | St. Petersburg | Doha | Dubai | Charleston | Stuttgart | Warsaw | Brussels | Birmingham | Berlin | Eastbourne | Stanford/San Jose | Los Angeles | San Diego /Carlsbad | New Haven | Zhengzhou | Tokyo | Ostrava | Chicago | Moscow |
2009 | WTA International | Elena Dementieva (1/3) | Not an event | Amélie Mauresmo (1/1) | Exhibition events | Not an event | Not an event | Premier 5 | Sabine Lisicki (1/1) | Svetlana Kuznetsova (1/5) | Alexandra Dulgheru (1/2) | Not an event | WTA International | Not an event | Caroline Wozniacki (1/10) | Marion Bartoli (1/2) | Flavia Pennetta (1/1) | Not an event | Caroline Wozniacki (2/10) | Not an event | Premier 5 | Not an event | Not an event | Francesca Schiavone (1/1) |
2010 | Elena Dementieva (2/3) | Elena Dementieva (3/3) | Samantha Stosur (1/2) | Justine Henin (1/1) | Alexandra Dulgheru (2/2) | Ekaterina Makarova (1/1) | Victoria Azarenka (1/4) | Not an event | Svetlana Kuznetsova (2/5) | Caroline Wozniacki (3/10) | Victoria Azarenka (2/4) |
2011 | Li Na (1/1) | Petra Kvitová (1/11) | Vera Zvonareva (1/1) | Caroline Wozniacki (4/10) | Julia Görges (1/2) | Not an event | Caroline Wozniacki (5/10) | Marion Bartoli (2/2) | Serena Williams (1/7) | Agnieszka Radwańska (1/6) | Caroline Wozniacki (6/10) | Dominika Cibulková (1/4) |
2012 | Kaia Kanepi (1/2) | Victoria Azarenka (3/4) | Angelique Kerber (1/7) | Premier 5 | Agnieszka Radwańska (2/6) | Serena Williams (2/7) | Maria Sharapova (1/4) | Agnieszka Radwańska (3/6) | Tamira Paszek (1/1) | Serena Williams (3/7) | Dominika Cibulková (2/4) | Petra Kvitová (2/11) | Caroline Wozniacki (7/10) |
2013 | Serena Williams (4/7) | Agnieszka Radwańska (4/6) | Mona Barthel (1/1) | Petra Kvitová (3/11) | Serena Williams (5/7) | Maria Sharapova (2/4) | Kaia Kanepi (2/2) | Elena Vesnina (1/1) | Dominika Cibulková (3/4) | Samantha Stosur (2/2) | Simona Halep (1/3) | Simona Halep (2/3) |
2014 | Serena Williams (6/7) | Tsvetana Pironkova (1/1) | Anastasia Pavlyuchenkova (1/2) | Venus Williams (1/1) | Andrea Petkovic (1/2) | Maria Sharapova (3/4) | Not an event | Ana Ivanovic (1/2) | Madison Keys (1/4) | Serena Williams (7/7) | Not an event | Petra Kvitová (4/11) | ITF Event | Ana Ivanovic (2/2) | Anastasia Pavlyuchenkova (2/2) |
2015 | Maria Sharapova (4/4) | Petra Kvitová (5/11) | Not an event | Andrea Petkovic (2/2) | ITF Event | Lucie Šafářová (1/1) | Premier 5 | Angelique Kerber (2/7) | Angelique Kerber (3/7) | Angelique Kerber (4/7) | Belinda Bencic (1/2) | Angelique Kerber (5/7) | WTA 125k | Petra Kvitová (6/11) | Agnieszka Radwańska (5/6) | Svetlana Kuznetsova (3/5) |
2016 | Victoria Azarenka (4/4) | Svetlana Kuznetsova (4/5) | Not an event | Roberta Vinci (1/1) | Premier 5 | Sara Errani (1/1) | Sloane Stephens (1/1) | Angelique Kerber (6/7) | Madison Keys (2/4) | Dominika Cibulková (4/4) | Johanna Konta (1/2) | Not an event | Agnieszka Radwańska (6/6) | Caroline Wozniacki (8/10) | Svetlana Kuznetsova (5/5) |
2017 | Karolína Plíšková (1/9) | Johanna Konta (2/2) | Kristina Mladenovic (1/1) | Karolína Plíšková (2/9) | Premier 5 | Daria Kasatkina (1/4) | Laura Siegemund (1/1) | Petra Kvitová (7/11) | Karolína Plíšková (3/9) | Madison Keys (3/4) | Daria Gavrilova (1/1) | WTA 125k | Caroline Wozniacki (9/10) | Julia Görges (2/2) |
2018 | Elina Svitolina (1/2) | Angelique Kerber (7/7) | Petra Kvitová (8/11) | Premier 5 | Elina Svitolina (2/2) | Kiki Bertens (1/3) | Karolína Plíšková (4/9) | Petra Kvitová (9/11) | Caroline Wozniacki (10/10) | Mihaela Buzărnescu (1/1) | Aryna Sabalenka (1/1) | Karolína Plíšková (5/9) | Daria Kasatkina (2/4) |
2019 | Karolína Plíšková (6/9) | Petra Kvitová (10/11) | Kiki Bertens (2/3) | Elise Mertens (1/1) | Premier 5 | Madison Keys (4/4) | Petra Kvitová (11/11) | Ashleigh Barty (1/2) | Karolína Plíšková (7/9) | Zheng Saisai (1/1) | Not an event | Not an event | Karolína Plíšková (8/9) | Naomi Osaka (1/1) | Belinda Bencic (2/2) |
2020 | Karolína Plíšková (9/9) | Not an event | Ashleigh Barty (2/2) | Kiki Bertens (3/3) | Premier 5 | Simona Halep (3/3) | Cancelled | Cancelled | WTA International | Cancelled | Cancelled | Cancelled | Cancelled | Cancelled | Aryna Sabalenka (2/2) | Cancelled |