2023 Tampere Open – Singles

Zsombor Piros was the defending champion but lost in the second round to Henri Squire.

Sumit Nagal won the title after defeating Dalibor Svrčina 6–4, 7–5 in the final.

Seeds
• # 🇭🇺 Zsombor Piros (second round)

• # Cristian Garín (second round, retired)

• # 🇸🇰 Lukáš Klein (quarterfinals)

• # 🇧🇪 Kimmer Coppejans (second round)

• # 🇨🇿 Dalibor Svrčina (final)

• # 🇮🇹 Riccardo Bonadio (second round, retired)

• # 🇮🇳 Sumit Nagal (champion)

• # 🇮🇹 Edoardo Lavagno (first round)