2021 BNP Paribas Polish Cup – Singles

This was the first edition of the tournament.

Camilo Ugo Carabelli won the title after defeating Nino Serdarušić 6–4, 6–2 in the final.

Seeds
• # 🇩🇪 Daniel Altmaier (second round)

• # 🇸🇰 Jozef Kovalík (semifinals)

• # 🇸🇰 Lukáš Klein (quarterfinals)

• # 🇫🇷 Tristan Lamasine (second round)

• # Duje Ajduković (first round)

• # Nicolás Jarry (quarterfinals)

• # 🇺🇦 Vitaliy Sachko (first round)

• # 🇧🇦 Mirza Bašić (first round)