2021 BNP Paribas Polish Cup

The 2021 BNP Paribas Polish Cup was a professional tennis tournament played on clay courts. It was the 1st edition of the tournament which was part of the 2021 ATP Challenger Tour. It took place in Warsaw, Poland between 23 and 29 August 2021.

Seeds

 * 1 Rankings are as of 16 August 2021.

Other entrants
The following players received wildcards into the singles main draw:
 * 🇸🇪 Leo Borg
 * 🇵🇱 Maks Kaśnikowski
 * 🇵🇱 Szymon Kielan

The following player received entry into the singles main draw using a protected ranking:
 * 🇧🇪 Jeroen Vanneste

The following players received entry from the qualifying draw:
 * 🇵🇱 Daniel Michalski
 * Johan Nikles
 * 🇷🇺 Alexander Shevchenko
 * 🇵🇱 Jan Zieliński

Singles

 * 🇦🇷 Camilo Ugo Carabelli def. Nino Serdarušić 6–4, 6–2.

Doubles

 * 🇲🇽 Hans Hach Verdugo / 🇲🇽 Miguel Ángel Reyes-Varela def. 🇺🇦 Vladyslav Manafov / 🇵🇱 Piotr Matuszewski 6–4, 6–4.