2023 Stockholm Open – Singles

Gaël Monfils defeated Pavel Kotov in the final, 4–6, 7–6(8–6), 6–3 to win the singles tennis title at the 2023 Stockholm Open. It was his twelfth career ATP Tour singles title.

Holger Rune was the defending champion, but lost to Miomir Kecmanović in the second round.

Seeds
The top four seeds received a bye into the second round. • # Holger Rune (second round)

• #🇫🇷 Adrian Mannarino (quarterfinals)

• # Tallon Griekspoor (quarterfinals)

• #🇪🇸 Alejandro Davidovich Fokina (withdrew)

• #🇦🇷 Sebastián Báez (first round)

• #🇨🇿 Jiří Lehečka (first round)

• #🇺🇸 Christopher Eubanks (first round)

• #🇬🇧 Dan Evans (first round)

Seeds
• # 🇨🇿 Tomáš Macháč (qualifying competition, lucky loser)

• # Pavel Kotov (qualified)

• # 🇬🇧 Liam Broady (qualifying competition)

• # 🇲🇩 Radu Albot (qualifying competition)

• # 🇫🇮 Otto Virtanen (qualifying competition)

• # 🇰🇿 Timofey Skatov (first round)

• # 🇮🇹 Andrea Vavassori (first round)

• # Leandro Riedi (first round)

Qualifiers
• # Dino Prižmić

• # Pavel Kotov

• # 🇦🇹 Filip Misolic

• # 🇱🇧 Benjamin Hassan

Lucky loser

 * 1) 🇨🇿 Tomáš Macháč