| Date: | 23–29 August 2021 |
| Edition: | 17th |
| Surface: | Clay |
| Location: | Přerov, Czech Republic |
| Category: | ITF Women's World Tennis Tour |
| Prize Money: | $60,000 |
| Champs: |  Linda Nosková |
| Champd: |  Carolina Alves /  Sarah Beth Grey |
The 2021 Zubr Cup was a professional women's tennis tournament played on outdoor clay courts. It was the seventeenth edition of the tournament which was part of the 2021 ITF Women's World Tennis Tour. It took place in Přerov, Czech Republic between 23 and 29 August 2021.[1]
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
 Australia | Seone Mendez | 222 | 1 | |
 France | Diane Parry | 236 | 2 | |
 Russian Federation | Anastasia Zakharova | 244 | 3 | |
 Mexico | Ana Sofía Sánchez | 253 | 4 | |
| Brazil | Gabriela Cé | 258 | 5 | |
 Romania | Alexandra Ignatik | 262 | 6 | |
| Simona Waltert | 265 | 7 | ||
| Tena Lukas | 270 | 8 |
The following players received wildcards into the singles main draw:
Monika Kilnarová Linda Nosková Dominika Šalková Darja ViďmanováThe following player received entry using a protected ranking:
The following player received entry as a special exempt:
The following players received entry from the qualifying draw:
Nikola Bartůňková
Andrea Gámiz Sarah Beth Grey
Misaki Matsuda
Tereza Mihalíková
Park So-hyun Alice Ramé Tereza SmitkováThe following player received entry as a lucky loser:
See main article: 2021 Zubr Cup – Singles.
Linda Nosková def. Alexandra Ignatik, 6–7(2–7), 6–4, 6–3See main article: 2021 Zubr Cup – Doubles.
Carolina Alves / Sarah Beth Grey def. Mana Kawamura / Funa Kozaki, 6–4, 3–6, [13–11]