March |
| 9 | 1-7 Mar | WTA Tour | Open 6eme Sens Metropole de Lyon | FRA | WTA 250 | WS, WD, SQ | | | |
| 11 | 15-21 Mar | WTA Tour | St. Petersburg Ladies Trophy | RUS | WTA 500 | WS, WD, SQ | | | |
April |
| 16 | 19-25 Apr | WTA Tour | Porsche Tennis Grand Prix, Stuttgart | GER | WTA 500 | WS, WD, SQ | | | |
| 16 | 19-25 Apr | WTA Tour | TEB BNP Paribas Tennis Championship, Istanbul | TUR | WTA 250 | WS, WD, SQ | | | |
| 17 | 29 Apr-8 May | WTA Tour | Mutua Madrid Open | ESP | WTA 1000 | WS, WD, SQ | | | |
May |
| 18 | 3-9 May | WTA Tour | L'Open 35 de Saint-Malo | FRA | WTA125 | WS, WD, SQ | | | |
| 19 | 10-16 May | WTA Tour | Internazionali BNL d'Italia, Rome | ITA | WTA 1000 | WS, WD, SQ | | | |
| 20 | 16-22 May | WTA Tour | Emilia-Romagna Open, Parma | ITA | WTA 250 | WS, WD, SQ | | | |
| 20 | 16-22 May | WTA Tour | Serbia Ladies Open, Belgrade | SRB | WTA 250 | WS, WD, SQ | | | |
| 21 | 23-29 May | WTA Tour | Internationaux de Strasbourg | FRA | WTA 250 | WS, WD, SQ | | | |
June |
| 23 | 6-13 Jun | WTA Tour | Viking Open, Nottingham | GBR | WTA 250 | WS, WD, SQ | | | |
| 23 | 7-13 Jun | WTA Tour | Bol | CRO | WTA 125 | WS, WD, SQ | | | |
| 24 | 14-20 Jun | WTA Tour | BETT1Open, Berlin | GER | WTA 500 | WS, WD, SQ | | | |
| 24 | 14-20 Jun | WTA Tour | Viking Classic, Birmingham | GBR | WTA 250 | WS, WD, SQ | | | |
| 25 | 21-27 Jun | WTA Tour | Bad Homburg Open presented by Engel & Volkers | GER | WTA 250 | WS, WD, SQ | | | |
| 25 | 21-27 Jun | WTA Tour | Viking International, Eastbourne | GBR | WTA 500 | WS, SQ | | | |
July |
| 27 | 5-11 Jul | WTA Tour | Nordea Open, Bastad | SWE | WTA 250 | WS, WD | | | |
| 27 | 6-11 Jul | WTA Tour | Hamburg | GER | WTA 250 | WS, WD, SQ | | | |
| 28 | 12-18 Jul | WTA Tour | Hungarian Grand Prix, Budapest | HUN | WTA 250 | WS, WD, SQ | | | |
| 28 | 12-18 Jul | WTA Tour | Ladies Open Lausanne | SUI | WTA 250 | WS, WD, SQ | | | |
| 28 | 12-18 Jul | WTA Tour | Livesport Prague Open | CZE | WTA 250 | WS, WD, SQ | | | |
| 29 | 19-25 Jul | WTA Tour | 32nd Palermo Ladies Open | ITA | WTA 250 | WS, WD, SQ | | | |
| 29 | 19-25 Jul | WTA Tour | BNP Paribas Poland Open, Gdynia | POL | WTA 250 | WS, WD, SQ | | | |
| 30 | 26 Jul-1 Aug | WTA Tour | Belgrade Ladies Open | SRB | WTA 125 | WS, WD, SQ | | | |
August |
| 31 | 2-8 Aug | WTA Tour | Winners Open, Cluj-Napoca | ROU | WTA 250 | WS, WD, SQ | | | |
September |
| 36 | 6-12 Sep | WTA Tour | Liqui Moly Open, Karlsruhe | GER | WTA 125 | WS, WD, SQ | | | |
| 37 | 13-19 Sep | WTA Tour | BGL BNP Paribas Luxembourg Open | LUX | WTA 250 | WS, WD, SQ | | | |
| 37 | 13-19 Sep | WTA Tour | Zavarovalnica Sava Portoroz | SLO | WTA 250 | WS, WD, SQ | | | |
| 38 | 20-26 Sep | WTA Tour | J&T Banka Ostrava Open 2021 | CZE | WTA 500 | WS, WD, SQ | | | |
October |
| 42 | 18-24 Oct | WTA Tour | Tenerife Ladies Open | ESP | WTA 250 | WS, WD, SQ | | | |
| 42 | 18-24 Oct | WTA Tour | VTB Kremlin Cup, Moscow | RUS | WTA 500 | WS, WD, SQ | | | |
| 43 | 25-31 Oct | WTA Tour | Courmayeur Ladies Open | ITA | WTA 250 | WS, WD, SQ | | | |
| 43 | 25-31 Oct | WTA Tour | Transylvania Open, Cluj-Napoca | ROU | WTA 250 | WS, WD, SQ | | | |
November |
| 44 | 6-12 Nov | WTA Tour | Upper Austria Ladies, Linz | AUT | WTA 250 | WS, WD, SQ | | | |
December |
| 49 | 6-12 Dec | WTA Tour | Open Angers Arena Loire | FRA | WTA 125 | WS, WD, SQ | | | |
| 50 | 13-19 Dec | WTA Tour | Open BLS De Limoges | FRA | WTA 125 | WS, WD, SQ | | | |
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