| 2023 Hamburg Ladies & Gents Cup | |
|---|---|
| Date | 16–22 October |
| Edition | 4th |
| Category | ATP Challenger Tour ITF Women's World Tennis Tour |
| Surface | Hard (Indoor) |
| Location | Hamburg, Germany |
| Champions | |
| Men's singles | |
| | |
| Women's singles | |
| Men's doubles | |
| | |
| Women's doubles | |
| | |
The 2023 Hamburg Ladies & Gents Cup was a professional tennis tournament played on indoor hard courts. It was the fourth edition of the tournament which was part of the 2023 ATP Challenger Tour and the 2023 ITF Women's World Tennis Tour. It took place in Hamburg, Germany between 16 and 22 October 2023.
| Country | Player | Rank1 | Seed |
|---|---|---|---|
| Dennis Novak | 196 | 1 | |
| Adam Walton | 199 | 2 | |
| Máté Valkusz | 214 | 3 | |
| Rudolf Molleker | 219 | 4 | |
| Frederico Ferreira Silva | 226 | 5 | |
| Cem İlkel | 229 | 6 | |
| Maximilian Neuchrist | 238 | 7 | |
| Oleksii Krutykh | 242 | 8 |
The following players received wildcards into the singles main draw:
The following players received entry into the singles main draw as alternates:
The following players received entry from the qualifying draw:
| Country | Player | Rank1 | Seed |
|---|---|---|---|
| Berfu Cengiz | 237 | 1 | |
| Ella Seidel | 257 | 2 | |
| Sofia Costoulas | 281 | 3 | |
| Lea Bošković | 290 | 4 | |
| Mona Barthel | 297 | 5 | |
| Julia Avdeeva | 350 | 6 | |
| Julia Middendorf | 355 | 7 | |
| Alison Van Uytvanck | 364 | 8 |
The following players received wildcards into the singles main draw:
The following players received entry from the qualifying draw: