Jan. 4-13 2021 — Abu Dhabi Open, HO (Aryna Sabalenka)
Feb. 1-7 2021 — Grampians Trophy, HO
Feb. 12-19 2021 — Phillip Island Trophy, HO (Daria Kasatkina)
April 10-18 2021 — Kunming Open, CO
April 9-18 2021 — MUSC Health Women's Open, CO (Astra Sharma)
May 14-22 2021 — Belgrade, CO (Paula Badosa)
May 14-22 2021 — Emilia-Romagna Open, CO (Coco Gauff)
July 4-11 2021 — Hamburg European Open, CO (Elena-Gabriela Ruse)
June 20-July 10 — The Championships, GO (Ashleigh Barty)
July 9-18 2021 — Hungarian Grand Prix, CO (Yulia Putintseva)
July 11-18 2021 — Ladies Open Lausanne, CO (Tamara Zidansek)
July 9-18 2021 — Livesport Prague Open, HO (Barbora Krejcikova)
July 16-25 2021 — Gdynia, CO (Maryna Zanevska)
July 16-25 2021 — Palermo Ladies Open, CO (Danielle Collins)
July 23-31 2021 — Olympic Tournament Women Singles, HO (Belinda Bencic)
July 31-8 2021 — Winners Open, CO (Andrea Petkovic)
July 30-Aug. 7 — Mubadala Silicon Valley Classic, HO (Danielle Collins)
Aug. 6-15 2021 — National Bank Open, HO (Camila Giorgi)
Aug. 13-22 2021 — Western & Southern Open, HO (Ashleigh Barty)
Aug. 20-28 2021 — Chicago Women's Open, HO (Elina Svitolina)
Aug. 20-28 2021 — Cleveland Championships, HO (Anett Kontaveit)
Aug. 23-Sept. 11 — US Open, HO (Emma Raducanu)
Sept. 11-19 2021 — Zavarovalnica Sava Portoroz, HO (Jasmine Paolini)
Sept. 10-19 2021 — BGL BNP Paribas Luxembourg Open, HO (Clara Tauson)
Sept. 17-26 2021 — J&T Banka Ostrava Open, HO (Anett Kontaveit)
Sept. 18-26 2021 — Korea Open, HO
Sept. 24-Oct. 1 — Nur Sultan, Kazakhstan, HO (Alison van Uytvanck)
Sept. 24-Oct. 2 — Chicago Fall Tennis Classic, HO (Garbine Muguruza)
Oct. 15-24 2021 — VTB Kremlin Cup, HO (Anett Kontaveit)
Oct. 15-24 2021 — Tenerife Ladies Open, HO (Ann Li)
Oct. 22-31 2021 — Transylvania Open, HO (Anett Kontaveit)
Oct. 22-31 2021 — Courmayeur Ladies Open, HO (Donna Vekic)
Nov. 5-12 2021 — Upper Austria Ladies Linz, HO (Alison Riske)
Nov. 9-17 2021 — WTA Finals, HO (Garbine Muguruza)
