| 2026 Erste Bank Open | |
|---|---|
| Date | 26 October–1 November |
| Edition | 52nd |
| Category | ATP 500 tournaments |
| Draw | 32S / 16D |
| Surface | Hard (indoor) |
| Location | Vienna, Austria |
| Venue | Wiener Stadthalle |
| 2025 Champions | |
| Singles | |
| Doubles | |
The 2026 Erste Bank Open is a men's tennis tournament to be played on indoor hard courts. It will be the 52nd edition of the event, and part of the ATP 500 tournaments of the 2026 ATP Tour. It will be held at the Wiener Stadthalle in Vienna, Austria, from 26 October until 1 November 2026.
| Country | Player | Rank1 | Seed |
|---|---|---|---|
| Alexander Zverev | 2 | 1 | |
| Carlos Alcaraz | 3 | 2 | |
| Daniil Medvedev | 5 | 3 | |
| Flavio Cobolli | 6 | 4 | |
| Alex de Minaur | 8 | 5 | |
| Frances Tiafoe | 9 | 6 | |
| Tommy Paul | 14 | 7 | |
| Jakub Menšík | 16 | 8 |
The following players received wildcards into the singles main draw:
The following players received entry from the qualifying draw:
| Country | Player | Country | Player | Rank1 | Seed |
|---|---|---|---|---|---|
| Harri Heliövaara | Henry Patten | 2 | 1 | ||
| Christian Harrison | Neal Skupski | 9 | 2 | ||
| Simone Bolelli | Andrea Vavassori | 17 | 3 | ||
| Marcelo Arévalo | Mate Pavić | 17 | 4 |
The following pairs received wildcards into the doubles main draw:
The following pair received entry from the qualifying draw: