2012 Bauer Watertechnology Cup – Singles

Rajeev Ram is the defending champion, but lost in the quarterfinals to Jan Mertl. Daniel Brands won the title, defeating Ernests Gulbis 7–6(7–0), 6–3 in the final.

Seeds
• # 🇸🇮 Grega Žemlja (quarterfinals)

• # 🇺🇸 Rajeev Ram (quarterfinals)

• # 🇩🇪 Philipp Petzschner (withdrew)

• # 🇩🇪 Daniel Brands (champion)

• # Ivan Dodig (withdrew)

• # 🇧🇪 Ruben Bemelmans (quarterfinals)

• # 🇨🇦 Frank Dancevic (first round, retired because of a left ankle injury)

• # 🇩🇪 Dustin Brown (first round)