2021 ATP Salzburg Open – Singles

This was the first edition of the tournament.

Facundo Bagnis won the title after defeating Federico Coria 6–4, 3–6, 6–2 in the final.

Seeds
• # 🇧🇷 Thiago Monteiro (first round)

• # Pablo Cuevas (quarterfinals)

• # 🇦🇷 Federico Coria (final)

• # 🇦🇷 Facundo Bagnis (champion)

• # 🇪🇸 Roberto Carballés Baena (second round)

• # 🇯🇵 Taro Daniel (first round)

• # 🇨🇴 Daniel Elahi Galán (first round)

• # 🇪🇸 Carlos Taberner (second round)