2023 Erste Bank Open
The 2023 Erste Bank Open was a men's tennis tournament played on indoor hard courts. It was the 49th edition of the event, and part of the ATP Tour 500 series of the 2023 ATP Tour. It was held at the Wiener Stadthalle in Vienna, Austria, from 23 until 29 October 2023.
Champions
Singles
Jannik Sinner def. Daniil Medvedev, 7–6, 4–6, 6–3Doubles
Rajeev Ram / Joe Salisbury def. Nathaniel Lammons / Jackson Withrow, 6–4, 5–7,Points and prize money
Prize money
| Event | W | F | SF | QF | Round of 16 | Round of 32 | Q2 | Q1 |
| Singles | €450,650 | €242,480 | €129,225 | €66,025 | €35,245 | €18,795 | €9,635 | €5,405 |
| Doubles* | €148,020 | €78,950 | €39,940 | €19,970 | €10,340 |
*per team
Singles main-draw entrants
Seeds
1 Rankings as of 16 October 2023Other entrants
The following players received wildcards into the singles main draw:The following player received entry into the singles main draw as a special exempt:
The following player using a protected ranking into the singles main draw:
The following players received entry from the qualifying draw:
The following player received entry as a lucky loser:
Withdrawals
- Matteo Berrettini → replaced by Daniel Altmaier
- Pablo Carreño Busta → replaced by Aleksandar Vukic
- Borna Ćorić → replaced by Matteo Arnaldi
- Mackenzie McDonald → replaced by Lorenzo Sonego
Doubles main draw entrants
Seeds
1 Rankings as of 16 October 2023Other entrants
The following pairs received wildcards into the doubles main draw:The following pair received entry from the qualifying draw:
The following pairs received entry as lucky losers:
Withdrawals
- Rohan Bopanna / Matthew Ebden → replaced by Sadio Doumbia / Fabien Reboul
- Dan Evans / Ben Shelton → replaced by Gonzalo Escobar / Aleksandr Nedovyesov
- Mackenzie McDonald / Marcelo Melo → replaced by Neil Oberleitner / Jurij Rodionov