2012 The Hague Open – Singles

Steve Darcis was the defending champion but decided not to participate in The Hague Open - Singles. Jerzy Janowicz won the title, defeating Matwé Middelkoop 6–2, 6–2 in the final.

Seeds
• # 🇵🇱 Jerzy Janowicz (champion)

• # 🇷🇺 Teymuraz Gabashvili (first round)

• # 🇫🇷 Augustin Gensse (first round)

• # 🇪🇸 Iñigo Cervantes Huegun (quarterfinals)

• # 🇦🇷 Martín Alund (second round)

• # 🇫🇷 Kenny de Schepper (second round)

• # 🇦🇷 Máximo González (first round)

• # 🇨🇿 Jan Mertl (second round)