2018 Copa Sevilla – Singles

Félix Auger-Aliassime was the defending champion but chose not to defend his title.

Kimmer Coppejans won the title after defeating Alex Molčan 7–6(7–2), 6–1 in the final.

Seeds
• # Pedro Sousa (first round)

• # 🇩🇪 Yannick Maden (first round)

• # 🇮🇳 Ramkumar Ramanathan (first round)

• # 🇦🇷 Marco Trungelliti (second round)

• # 🇳🇴 Casper Ruud (second round, retired)

• # 🇪🇸 Daniel Gimeno Traver (first round)

• # 🇸🇰 Andrej Martin (first round)

• # 🇪🇸 Enrique López Pérez (first round)