2023 Eastbourne International – Men's singles

Francisco Cerúndolo won the men's singles title, defeating Tommy Paul in the final, 6–4, 1–6, 6–4.

Taylor Fritz was the defending champion, but lost in the second round to Mackenzie McDonald.

Seeds
The top four seeds received a bye into the second round. • #🇺🇸 Taylor Fritz (second round)

• #🇺🇸 Tommy Paul (final)

• #🇦🇺 Alex de Minaur (withdrew)

• #🇦🇷 Francisco Cerúndolo (champion)

• # Nicolás Jarry (second round)

• #🇦🇷 Tomás Martín Etcheverry (first round)

• #🇮🇹 Lorenzo Sonego (first round)

• #🇷🇸 Miomir Kecmanović (quarterfinals)

• # Botic van de Zandschulp (first round)

Seeds
• # 🇫🇷 Luca Van Assche (qualified)

• # Marc-Andrea Hüsler (qualified)

• # 🇨🇴 Daniel Elahi Galán (qualified)

• # 🇦🇺 Aleksandar Vukic (qualified)

• # 🇦🇷 Juan Manuel Cerúndolo (first round)

• # Borna Gojo (qualifying competition)

• # 🇬🇧 Jan Choinski (qualifying competition, lucky loser)

• # 🇰🇿 Beibit Zhukayev (qualifying competition)

Qualifiers
• # 🇫🇷 Luca Van Assche

• # Marc-Andrea Hüsler

• # 🇨🇴 Daniel Elahi Galán

• # 🇦🇺 Aleksandar Vukic

Lucky loser
• # 🇬🇧 Jan Choinski