2011 Bauer Watertechnology Cup – Singles

Igor Sijsling was the defending champion, but lost in the first round to Kevin Krawietz. Rajeev Ram won the title, defeating Karol Beck 6–4, 6–2 in the final.

Seeds
• # 🇩🇪 Philipp Petzschner (second round)

• # 🇩🇪 Cedrik-Marcel Stebe (first round)

• # 🇸🇰 Karol Beck (final)

• # 🇩🇪 Andreas Beck (semifinals)

• # 🇯🇵 Go Soeda (second round)

• # 🇸🇮 Grega Žemlja (second round)

• # 🇹🇳 Malek Jaziri (second round, retired)

• # Igor Sijsling (first round)