2023 Halle Open
The 2023 Halle Open was a men's tennis tournament played on outdoor grass courts. It was the 30th edition of the Halle Open and part of the ATP Tour 500 series of the 2023 ATP Tour. It took place at the OWL Arena in Halle, Germany, between 19 June and 25 June 2023. Unseeded Alexander Bublik won the singles title.
Finals
Singles
Alexander Bublik def. Andrey Rublev, 6–3, 3–6, 6–3Doubles
Marcelo Melo / John Peers def. Simone Bolelli / Andrea Vavassori, 7–6, 3–6,Points and prize money
Prize money
| Event | W | F | SF | QF | Round of 16 | Round of 32 | Q2 | Q1 |
| Singles | €477,795 | €220,800 | €117,715 | €60,145 | €32,105 | €17,120 | €8,775 | €4,925 |
| Doubles* | €134,840 | €71,910 | €36,380 | €18,190 | €9,420 | € |
*per team
Singles main draw entrants
Seeds
- 1 Rankings are as of 12 June 2023.
Other entrants
The following players received wildcards into the main draw:The following player received entry using a protected ranking:
The following players received entry from the qualifying draw:
The following player received entry as lucky losers:
Withdrawals
- Félix Auger-Aliassime → replaced by Andrea Vavassori
- Pablo Carreño Busta → replaced by Laslo Djere
- Karen Khachanov → replaced by Roberto Carballés Baena
- Nick Kyrgios → replaced by Aslan Karatsev
- Casper Ruud → replaced by Wu Yibing
Doubles main draw entrants
Seeds
Other entrants
The following pairs received wildcards into the doubles main draw:The following pair received entry from the qualifying draw:
Withdrawals
- Máximo González / Andrés Molteni → replaced by Simone Bolelli / Andrea Vavassori
- Karen Khachanov / Andrey Rublev → replaced by Andrey Rublev / Alexander Zverev