2018 Nottingham Open – Men's singles

Dudi Sela was the defending champion but chose not to defend his title.

Alex de Minaur won the title after defeating Dan Evans 7–6(7–4), 7–5 in the final.

Seeds
• # 🇬🇧 Cameron Norrie (first round)

• # 🇦🇺 Alex de Minaur (champion)

• # 🇮🇹 Thomas Fabbiano (first round)

• # 🇧🇾 Ilya Ivashka (semifinals)

• # 🇮🇳 Ramkumar Ramanathan (quarterfinals)

• # 🇨🇦 Peter Polansky (quarterfinals)

• # 🇺🇦 Sergiy Stakhovsky (second round)

• # 🇺🇸 Michael Mmoh (first round)