| 2023 Erste Bank Open | ||||
|---|---|---|---|---|
| Date | 23–29 October | |||
| Edition | 49th | |||
| Category | ATP Tour 500 | |||
| Draw | 32S / 16D | |||
| Prize money | €2,409,835 | |||
| Surface | Hard (indoor) | |||
| Location | Vienna, Austria | |||
| Venue | Wiener Stadthalle | |||
| Champions | ||||
| Singles | ||||
 Jannik Sinner | ||||
| Doubles | ||||
 Rajeev Ram /  Joe Salisbury | ||||
| ||||
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 StadthalleinVienna, Austria, from 23 until 29 October 2023.[1]
Jannik Sinner def. 
Daniil Medvedev, 7–6(9–7), 4–6, 6–3 Rajeev Ram / Joe Salisbury def. Nathaniel Lammons / Jackson Withrow, 6–4, 5–7, [12–10]| Event | W | F | SF | QF | Round of 16 | Round of 32 | Q | Q2 | Q1 |
| Singles | 500 | 300 | 180 | 90 | 45 | 0 | 20 | 10 | 0 |
|---|---|---|---|---|---|---|---|---|---|
| Doubles | 0 | — | — | — | — |
| 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
| Country | Player | Rank1 | Seed |
|---|---|---|---|
| Daniil Medvedev | 3 | 1 | |
| ITA
|
Jannik Sinner | 4 | 2 |
| Andrey Rublev | 5 | 3 | |
 GRE
|
Stefanos Tsitsipas | 7 | 4 |
 GER
|
Alexander Zverev | 9 | 5 |
| USA
|
Tommy Paul | 12 | 6 |
| USA
|
Frances Tiafoe | 14 | 7 |
| Karen Khachanov | 15 | 8 |
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:
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| Country | Player | Country | Player | Rank1 | Seed |
|---|---|---|---|---|---|
 NED
|
Wesley Koolhof | GBR
|
Neal Skupski | 7 | 1 |
| USA
|
Rajeev Ram | GBR
|
Joe Salisbury | 15 | 2 |
 ESA
|
Marcelo Arévalo | NED
|
Jean-Julien Rojer | 33 | 3 |
 BEL
|
Sander Gillé | BEL
|
Joran Vliegen | 40 | 4 |
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:
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|
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