2021 ITS Cup

The 2021 ITS Cup was a professional women's tennis tournament played on outdoor clay courts. It was the twelfth edition of the tournament which was part of the 2021 ITF Women's World Tennis Tour. It took place in Olomouc, Czech Republic between 19 and 25 July 2021.

Seeds

 * 1 Rankings are as of 12 July 2021.

Other entrants
The following players received wildcards into the singles main draw:
 * 🇨🇿 Nikola Bartůňková
 * 🇨🇿 Sára Bejlek
 * 🇨🇿 Nikola Břečková
 * 🇨🇿 Anna Sisková

The following player received entry using a protected ranking:
 * 🇩🇪 Anna Zaja

The following player received entry using a junior exempt:
 * 🇫🇷 Diane Parry

The following players received entry from the qualifying draw:
 * 🇷🇴 Miriam Bulgaru
 * Bárbara Gatica
 * 🇺🇸 Elizabeth Halbauer
 * 🇨🇿 Monika Kilnarová
 * 🇩🇪 Lena Papadakis
 * Nika Radišić
 * Sapfo Sakellaridi
 * 🇨🇿 Julie Štruplová

Singles

 * 🇨🇿 Sára Bejlek def. 🇦🇷 Paula Ormaechea, 6–0, 6–0

Doubles

 * 🇺🇸 Jessie Aney / 🇨🇿 Anna Sisková def. Bárbara Gatica / 🇧🇷 Rebeca Pereira, 6–1, 6–0