2017 The Hague Open – Singles

Robin Haase was the defending champion but lost in the first round to Thiemo de Bakker.

Guillermo García López won the title after defeating Ruben Bemelmans 6–1, 6–7(3–7), 6–2 in the final.

Seeds
• # Robin Haase (first round)

• # 🇯🇵 Taro Daniel (first round)

• # Gastão Elias (second round)

• # 🇺🇦 Sergiy Stakhovsky (second round)

• # 🇧🇪 Ruben Bemelmans (final)

• # 🇪🇸 Guillermo García López (champion)

• # 🇧🇷 João Souza (first round)

• # 🇸🇰 Jozef Kovalík (second round)