WTA
WTA Schedule
Completed Tournaments
| Date | Tournament | Location | Champion |
| Jan 6-13 | Abu Dhabi WTA Women's Tennis Open | Abu Dhabi, ARE | (4) Aryna Sabalenka (BLR) |
| Jan 31-Feb 7 | Gippsland Trophy | Melbourne, AUS | (7) Elise Mertens (BEL) |
| Jan 31-Feb 7 | Yarra Valley Classic | Melbourne, AUS | (1) Ashleigh Barty (AUS) |
| Feb 3-7 | Grampians Trophy | Melbourne, AUS | |
| Feb 8-20 | Australian Open | Melbourne, AUS | (3) Naomi Osaka (JPN) |
| Feb 13-19 | Phillip Island Trophy | Melbourne, AUS | Daria Kasatkina (RUS) |
| Feb 22-27 | Adelaide International | Adelaide, AUS | (5) Iga Swiatek (POL) |
| Mar 1-7 | Open 6eme Sens Metropole de Lyon | Lyon, FRA | Clara Tauson (DNK) |
| Mar 1-6 | Qatar Total Open 2021 | Doha, QAT | (4) Petra Kvitova (CZE) |
| Mar 7-13 | Dubai Duty Free Tennis Championships | Dubai, ARE | (9) Garbine Muguruza (ESP) |
| Mar 8-13 | Abierto Zapopan | Guadalajara, MEX | (4) Sara Sorribes Tormo (ESP) |
| Mar 15-21 | Abierto de Seguros | Monterrey, MEX | Leylah Fernandez (CAN) |
| Mar 15-21 | St. Petersburg Ladies Trophy | St. Petersburg, RUS | (8) Daria Kasatkina (RUS) |
| Mar 23-Apr 3 | Miami Open presented by Itau | Miami, Florida, USA | (1) Ashleigh Barty (AUS) |
| Apr 5-11 | Volvo Car Open | Charleston, South Carolina, USA | (15) Veronika Kudermetova (RUS) |
| Apr 5-11 | Copa Colsanitas | Bogota, COL | Maria Camila Osorio Serrano (COL) |
| Apr 12-18 | Musc Health Women's Open | Charleston, South Carolina, USA | Astra Sharma (AUS) |
| Apr 19-25 | Porsche Tennis Grand Prix | Stuttgart, DEU | (1) Ashleigh Barty (AUS) |
| Apr 19-25 | TEB BNP Paribas Tennis Championship Istanbul | Istanbul, TUR | Sorana Cirstea (ROU) |
Scheduled Tournaments
| Date | Tournament | Location | Current Champion |
| Apr 29-May 8 | Mutua Madrid Open | Madrid, ESP | (7) Kiki Bertens (NLD) |
| May 3-9 | L'Open 35 de Saint-Malo | Saint-Malo, FRA | |
| May 10-16 | Internazionali BNL d'Italia | Rome, ITA | (1) Simona Halep (ROU) |
| May 16-22 | Belgrade | Belgrade, SRB | |
| May 16-22 | Emilia-Romagna Open | Parma, ITA | |
| May 23-29 | Internationaux de Strasbourg | Strasbourg, FRA | (2) Elina Svitolina (UKR) |
| May 30-Jun 12 | Roland Garros | Paris, FRA | Iga Swiatek (POL) |
| Jun 7-13 | Nottingham Open | Nottingham, ENG | (1) Caroline Garcia (FRA) |
| Jun 8-13 | Bol | Bol, HRV | (1) Tamara Zidansek (SVN) |
| Jun 14-20 | Birmingham Classic | Birmingham, ENG | (2) Ashleigh Barty (AUS) |
| Jun 14-20 | Bett1 Open | Berlin, DEU | |
| Jun 21-27 | Bad Homburg Open Presented by Engel & Volkers | Bad Homburg, DEU | |
| Jun 21-27 | Eastbourne International | Eastbourne, ENG | (2) Karolina Pliskova (CZE) |
| Jun 28-Jul 11 | Wimbledon | London, ENG | (7) Simona Halep (ROU) |
| Jul 5-11 | Nordea Open | Bastad, SWE | Misaki Doi (JPN) |
| Jul 5-11 | Hamburg European Open | Hamburg, DEU | |
| Jul 12-18 | Ladies Open Lausanne | Lausanne, CHE | Fiona Ferro (FRA) |
| Jul 12-18 | Hungarian Grand Prix | Budapest, HUN | (1) Alison Van Uytvanck (BEL) |
| Jul 12-18 | Livesport Prague Open | Prague, CZE | (1) Simona Halep (ROU) |
| Jul 19-25 | Gdynia | Gdynia, POL | Alexandra Dulgheru (ROU) |
| Jul 19-25 | 32nd Palermo Ladies Open | Palermo, ITA | Fiona Ferro (FRA) |
| Jul 26-Aug 1 | Belgrade 125 | Belgrade, SRB | |
| Jul 26-Aug 1 | Charleston 125 | Charleston, USA | |
| Aug 2-8 | Mubadala Silicon Valley Classic | San Jose, USA | Saisai Zheng (CHN) |
| Aug 9-15 | National Bank Open | Montreal, CAN | Bianca Andreescu (CAN) |
| Aug 16-22 | Western & Southern Open | Cincinnati, USA | Victoria Azarenka (BLR) |
| Aug 16-22 | Chicago 125 | Chicago, USA | Petra Martic (HRV) |
| Aug 23-29 | Cleveland | Cleveland, USA | |
| Aug 30-Sep 13 | US Open | New York, USA | (4) Naomi Osaka (JPN) |
| Sep 6-12 | Karlsruhe | Karlsruhe, DEU | Patricia Maria Tig (ROU) |