 | This article relies largely or entirely on a single source .(October 2024) |
| Singles | |
|---|---|
| 2024 Erste Bank Open | |
| 2023 Champion |  Jannik Sinner |
| Draw | 32 (4 Q / 3 WC ) |
| Seeds | 8 |
Jannik Sinner was the reigning champion, but did not participate this year. [1]
This tournament will mark the final professional appearance of former world no. 3 and US Open champion Dominic Thiem.
| Semifinals | Final | ||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 |  A Zverev | ||||||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 2 |  A de Minaur | ||||||||||||||||||||||||||
| First round | Qualifying competition | ||||||||||||
| 1 |  Jakub Menšík | ||||||||||||
 Alexander Ritschard | |||||||||||||
| Maximilian Marterer | |||||||||||||
| 5 |  Alexandre Müller | ||||||||||||
| First round | Qualifying competition | ||||||||||||
| 2 | Pavel Kotov | ||||||||||||
 Márton Fucsovics | |||||||||||||
| WC | Richard Gasquet | ||||||||||||
| 7 |  Dušan Lajović | ||||||||||||
| First round | Qualifying competition | ||||||||||||
| 3 |  Jaume Munar | ||||||||||||
| WC |  Jurij Rodionov | ||||||||||||
| | |||||||||||||
| Quentin Halys | |||||||||||||
| 6 | Corentin Moutet | ||||||||||||
| First round | Qualifying competition | ||||||||||||
| 4 |  Zizou Bergs | ||||||||||||
 Aleksandar Kovacevic | |||||||||||||
| WC | Pablo Carreño Busta | ||||||||||||
| 8 |  Thiago Seyboth Wild | ||||||||||||
Todd Martin was the defending champion but lost in the third round to Guy Forget.
Sjeng Schalken was the defending champion but lost in the quarterfinals to Michel Kratochvil.
Martin Sinner was the defending singles champion but lost in the quarterfinals to Tim Henman.
Marco Cecchinato was the defending champion, but withdrew due to illness.
The Great Ocean Road Open was a new addition to the ATP Tour in 2021.
Yevgeny Kafelnikov was the defending champion, but did not compete this year.
Benoît Paire was the defending champion from when the event was last held in 2019, but chose to participate in Geneva instead.
Alex de Minaur was the reigning champion from when the tournament was last held in 2019, but chose not to participate this year.
Dominic Inglot and Austin Krajicek were the reigning champions from when the tournament was last held in 2019, but chose not to participate this year.
Jannik Sinner defeated Mackenzie McDonald in the final, 7–5, 4–6, 7–5 to win the singles tennis title at the 2021 Citi Open. With the victory, Sinner became the youngest player and first teenager on the ATP Tour to win an ATP 500 title since the category was created in 2009.
Jannik Sinner was the defending champion and successfully defended his title, defeating Gaël Monfils in the final, 6–3, 6–4.
Andrey Rublev was the defending champion, but chose to compete in St. Petersburg instead.
Ugo Humbert was the defending champion, but chose not to participate this year.
Jannik Sinner defeated the defending champion Carlos Alcaraz in the final, 6–7(5–7), 6–1, 6–1 to win the singles tennis title at the 2022 Croatia Open Umag.
Thanasi Kokkinakis and Nick Kyrgios defeated Jason Kubler and John Peers in the final, 7–6(7–4), 7–5 to win the doubles tennis title at the 2022 Atlanta Open.
Wesley Koolhof and Neal Skupski defeated Dan Evans and John Peers in the final, 6–2, 4–6, [10–6] to win the men's doubles tennis title at the 2022 Canadian Open. It marked their second ATP Masters 1000 title together and sixth title of the season.
Marc-Andrea Hüsler defeated Holger Rune in the final, 6–4, 7–6(10–8) to win the singles tennis title at the 2022 Sofia Open. It was his first ATP Tour title, and he saved two match points en route, in his quarterfinal match against Kamil Majchrzak.
Félix Auger-Aliassime defeated Sebastian Korda in the final, 6–3, 6–4 to win the singles tennis title at the 2022 European Open. It was his second title in as many weeks and third career ATP Tour singles title overall.
Daniil Medvedev defeated Denis Shapovalov in the final, 4–6, 6–3, 6–2 to win the singles tennis title at the 2022 Vienna Open.
Novak Djokovic defeated Sebastian Korda in the final, 6–7(8–10), 7–6(7–3), 6–4 to win the men's singles title at the 2023 Adelaide International 1. He saved a championship point en route to his 92nd ATP Tour singles title, equaling Rafael Nadal's tally for the fourth-most men's singles titles in the Open Era.
