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) |
Scheduled Tournaments
| Date | Tournament | Location | Current Champion |
| Jan 31-Feb 6 | Gippsland Trophy | Melbourne, AUS | |
| Jan 31-Feb 6 | Yarra Valley Classic | Melbourne, AUS | |
| Feb 8-20 | Australian Open | Melbourne, AUS | (14) Sofia Kenin (USA) |
| Feb 13-19 | Phillip Island Trophy | Melbourne, AUS | |
| Feb 21-27 | Adelaide International WTA 500 | Adelaide, AUS | |
| Mar 1-6 | Qatar Total Open 2021 | Doha, QAT | (9) Aryna Sabalenka (BLR) |
| Mar 1-7 | Open 6eme Sens Metropole de Lyon | Lyon, FRA | (1) Sofia Kenin (USA) |
| Mar 7-13 | Dubai Duty Free Tennis Championships | Dubai, ARE | (1) Simona Halep (ROU) |
| Mar 8-14 | Abierto de Guadalajara | Guadalajara, MEX | Veronika Kudermetova (RUS) |
| Mar 15-21 | Abierto de Seguros | Monterrey, MEX | (1) Elina Svitolina (UKR) |
| Mar 15-21 | St. Petersburg Ladies Trophy | St. Petersburg, RUS | (2) Kiki Bertens (NLD) |
| Mar 23-Apr 3 | Miami Open presented by Itau | Miami, USA | (12) Ashleigh Barty (AUS) |
| Apr 5-11 | Volvo Car Open | Charleston, USA | (8) Madison Keys (USA) |
| Apr 5-11 | Copa Colsanitas | Bogota, COL | (6) Amanda Anisimova (USA) |
| Apr 12-18 | Kunming Open | Anning, CHN | (2) Saisai Zheng (CHN) |
| Apr 19-25 | Porsche Tennis Grand Prix | Stuttgart, DEU | (3) Petra Kvitova (CZE) |
| Apr 19-25 | Istanbul Open | Istanbul, TUR | Patricia Maria Tig (ROU) |
| Apr 26-May 9 | Mutua Madrid Open | Madrid, ESP | (7) Kiki Bertens (NLD) |
| May 10-16 | Internazionali BNL d'Italia | Rome, ITA | (1) Simona Halep (ROU) |
| May 17-22 | Internationaux de Strasbourg | Strasbourg, FRA | (2) Elina Svitolina (UKR) |
| May 17-23 | Grand Prix De Son Altesse Royale La Princesse Lalla Meryem | Rabat, MAR | (6) Maria Sakkari (GRC) |
| May 17-23 | Cologne Open | Cologne, DEU | |
| May 23-Jun 6 | Roland Garros | Paris, FRA | Iga Swiatek (POL) |
| Jun 7-13 | Libema Open | 's-Hertogenbosch, NLD | Alison Riske (USA) |
| Jun 7-13 | Nottingham Open | Nottingham, ENG | (1) Caroline Garcia (FRA) |
| Jun 14-20 | Birmingham Classic | Birmingham, ENG | (2) Ashleigh Barty (AUS) |
| Jun 14-20 | Bett1 Open | Berlin, DEU | |
| Jun 21-27 | Bad Homburg Open | 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) |