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 1-6 | Qatar Total Open 2021 | Doha, QAT | (4) Petra Kvitova (CZE) |
| Mar 1-7 | Open 6eme Sens Metropole de Lyon | Lyon, FRA | Clara Tauson (DNK) |
| 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) |
| Apr 29-May 8 | Mutua Madrid Open | Madrid, ESP | (5) Aryna Sabalenka (BLR) |
| May 3-9 | L'Open 35 de Saint-Malo | Saint-Malo, FRA | Viktorija Golubic (SUI) |
| May 10-16 | Internazionali BNL d'Italia | Rome, ITA | (15) Iga Swiatek (POL) |
| May 16-22 | Belgrade | Belgrade, SRB | (4) Paula Badosa Gibert (ESP) |
| May 16-22 | Emilia-Romagna Open | Parma, ITA | (3) Cori Gauff (USA) |
| May 23-29 | Internationaux de Strasbourg | Strasbourg, FRA | (5) Barbora Krejcikova (CZE) |
| May 30-Jun 12 | Roland Garros | Paris, FRA | Barbora Krejcikova (CZE) |
| Jun 6-13 | Viking Open Nottingham | Nottingham, ENG | (1) Johanna Konta (GBR) |
| Jun 7-12 | Bol | Bol, HRV | (3) Jasmine Paolini (ITA) |
| Jun 14-20 | Viking Classic Birmingham | Birmingham, ENG | (2) Ons Jabeur (TUN) |
| Jun 14-20 | Bett1 Open | Berlin, DEU | Ludmilla Samsonova (RUS) |
| Jun 20-26 | Bad Homburg Open Presented by Engel & Volkers | Bad Homburg, DEU | (4) Angelique Kerber (DEU) |
| Jun 21-26 | Viking International Eastbourne | Eastbourne, ENG | Jelena Ostapenko (LVA) |
| Jun 28-Jul 10 | Wimbledon | London, ENG | (1) Ashleigh Barty (AUS) |
| Jul 5-10 | Nordea Open | Bastad, SWE | Nuria Parrizas Diaz (ESP) |
| Jul 6-11 | Hamburg European Open | Hamburg, DEU | Elena-Gabriela Ruse (ROU) |
| Jul 12-18 | Livesport Prague Open | Prague, CZE | (2) Barbora Krejcikova (CZE) |
| Jul 12-18 | Ladies Open Lausanne | Lausanne, CHE | (1) Tamara Zidansek (SVN) |
| Jul 12-18 | Hungarian Grand Prix | Budapest, HUN | (1) Yulia Putintseva (KAZ) |
| Jul 19-25 | BNP Paribas Poland Open | Gdynia, POL | Maryna Zanevska (BEL) |
| Jul 19-25 | 32nd Palermo Ladies Open | Palermo, ITA | (1) Danielle Collins (USA) |
| Jul 26-Aug 1 | Belgrade Ladies Open | Belgrade, SRB | Anna Karolina Schmiedlova (SVK) |
| Jul 26-Aug 1 | LTP Women's Open | Charleston, South Carolina, USA | (4) Varvara Lepchenko (USA) |
| Aug 2-8 | Mubadala Silicon Valley Classic | Concord, Massachusetts, USA | (7) Danielle Collins (USA) |
| Aug 2-8 | Winners Open | Cluj-Napoca, ROU | (2) Andrea Petkovic (DEU) |
| Aug 2-8 | Thoreau Tennis Open 125 | Concord, Massachusetts, USA | Magdalena Frech (POL) |
| Aug 9-15 | National Bank Open | Montreal, Quebec, CAN | Camila Giorgi (ITA) |
| Aug 16-22 | Western & Southern Open | Cincinnati, Ohio, USA | (1) Ashleigh Barty (AUS) |
| Aug 16-22 | WTA Chicago 125 | Chicago, Illinois, USA | Clara Tauson (DNK) |
| Aug 22-28 | Tennis in the Land | Cleveland, Ohio, USA | (2) Anett Kontaveit (EST) |
| Aug 22-28 | WTA Chicago Women's Open | Chicago, Illinois, USA | (1) Elina Svitolina (UKR) |
| Aug 30-Sep 13 | US Open | New York, New York, USA | Emma Raducanu (GBR) |
| Sep 7-12 | Liqui Moly Open 2021 | Karlsruhe, DEU | (3) Mayar Sherif (EGY) |
| Sep 13-19 | Zavarovalnica Sava Portoroz | Portoroz, SVN | Jasmine Paolini (ITA) |
| Sep 13-19 | BGL BNP Paribas Luxembourg Open 2021 | Luxembourg, LUX | Clara Tauson (DNK) |
| Sep 19-26 | Columbus WTA 125 | Columbus, Ohio, USA | (2) Nuria Parrizas Diaz (ESP) |
| Sep 20-26 | J&T Banka Ostrava Open 2021 | Ostrava, CZE | Anett Kontaveit (EST) |
| Sep 27-Oct 3 | Chicago Fall Tennis Classic | Chicago, Illinois, USA | (2) Garbine Muguruza (ESP) |
| Sep 27-Oct 2 | Astana Open | Nur-Sultan, KAZ | (2) Alison Van Uytvanck (BEL) |
| Oct 6-17 | BNP Paribas Open | Indian Wells, California, USA | (27) Paula Badosa Gibert (ESP) |
Scheduled Tournaments
| Date | Tournament | Location | Current Champion |
| Oct 18-24 | Tenerife Ladies Open | Santa Cruz de Tenerife, , ESP | |
| Oct 18-24 | VTB Kremlin Cup | Moscow, , RUS | (3) Belinda Bencic (SUI) |
| Oct 25-31 | Courmayeur Ladies Open 2021 | Courmayeur, , ITA | |
| Oct 25-31 | Transylvania Open | Cluj-Napoca, , ROU | |
| Nov 1-7 | The Dow Tennis Classic | Midland, Michigan, USA | |
| Nov 1-7 | Argentina Open | Buenos Aires, , ARG | |
| Nov 6-12 | Upper Austria Ladies Linz | Linz, , AUT | (1) Aryna Sabalenka (BLR) |
| Nov 10-17 | Akron WTA Finals Guadalajara | Guadalajara, , MEX | (1) Ashleigh Barty (AUS) |
| Nov 15-21 | Montevideo Open | Montevideo, , URY | |
| Dec 6-12 | Open Angers Arena Loire | Angers, , FRA | |
| Dec 13-19 | Open BLS de Limoges | Limoges, , FRA | (1) Ekaterina Alexandrova (RUS) |