2018 Fuzion 100 Surbiton Trophy – Men's singles

Yūichi Sugita was the defending champion but chose not to defend his title.

Jérémy Chardy won the title after defeating Alex de Minaur 6–4, 4–6, 6–2 in the final.

Seeds
• # 🇫🇷 Jérémy Chardy (champion)

• # 🇦🇺 Jordan Thompson (first round)

• # 🇮🇳 Yuki Bhambri (quarterfinals)

• # 🇷🇺 Mikhail Youzhny (first round)

• # 🇸🇰 Lukáš Lacko (second round)

• # 🇦🇺 Alex de Minaur (final)

• # 🇺🇸 Mackenzie McDonald (second round)

• # 🇺🇸 Bjorn Fratangelo (first round)