The 2023 Brawo Open was a professional tennis tournament played on clay courts.

It was the 29th edition of the tournament which was part of the 2023 ATP Challenger Tour.

It took place in Braunschweig, Germany between 10 and 15 July 2023.

The following players received wildcards into the singles main draw: The following player received entry into the singles main draw using a protected ranking: The following players received entry into the singles main draw as alternates: The following players received entry from the qualifying draw: The following player received entry as a lucky loser: