2012 Erste Bank Open

The 2012 Erste Bank Open was a men's tennis tournament played on indoor hard courts. It was the 38th edition of the event known that year as the Erste Bank Open, and part of the ATP World Tour 250 Series of the 2012 ATP World Tour. It was held at the Wiener Stadthalle in Vienna, Austria, from 13 October through 21 October 2012. First-seeded Juan Martín del Potro won the singles title.

Seeds

 * Seeds are based on the rankings of October 8, 2012

Other entrants
The following players received wildcards into the singles main draw:
 * Ernests Gulbis
 * 🇦🇹 Andreas Haider-Maurer
 * 🇦🇹 Dominic Thiem

The following players received entry from the qualifying draw:
 * 🇧🇪 Ruben Bemelmans
 * 🇩🇪 Daniel Brands
 * 🇨🇦 Vasek Pospisil
 * Grega Žemlja

Retirements

 * Aljaž Bedene
 * 🇪🇸 Guillermo García López (groin injury)

Seeds

 * Rankings are as of October 8, 2012

Other entrants
The following pairs received wildcards into the doubles main draw:
 * 🇦🇹 Martin Fischer / 🇦🇹 Philipp Oswald
 * 🇦🇹 Andreas Haider-Maurer / 🇦🇹 Maximilian Neuchrist

Singles

 * 🇦🇷 Juan Martín del Potro defeated Grega Žemlja, 7–5, 6–3

Doubles

 * 🇩🇪 Andre Begemann / 🇩🇪 Martin Emmrich defeated 🇦🇹 Julian Knowle / 🇸🇰 Filip Polášek, 6–4, 3–6, [10–4]