| 2024 Tennis Open Karlsruhe | |
|---|---|
| Date | 1 – 7 July |
| Edition | 2nd |
| Surface | Clay |
| Location | Karlsruhe, Germany |
| 2023 Champions | |
| Singles | |
 Alejandro Tabilo | |
| Doubles | |
 Neil Oberleitner /  Tim Sandkaulen | |
The 2024 Tennis Open Karlsruhe was a professional tennis tournament played on clay courts. It was the second edition of the tournament which was part of the 2024 ATP Challenger Tour. It took place in Karlsruhe, Germany between 1 and 7 July 2024.
| Country | Player | Rank1 | Seed |
|---|---|---|---|
 ARG | Camilo Ugo Carabelli | 100 | 1 |
 SVK | Jozef Kovalík | 114 | 2 |
 FRA | Pierre-Hugues Herbert | 140 | 3 |
 LIB | Benjamin Hassan | 156 | 4 |
 KAZ | Denis Yevseyev | 163 | 5 |
 BOL | Hugo Dellien | 173 | 6 |
 HUN | Zsombor Piros | 183 | 7 |
 BEL | Joris De Loore | 191 | 8 |
The following players received wildcards into the singles main draw:
Diego Dedura-Palomero Justin Engel Nicola Kuhn The following players received entry into the singles main using a protected ranking:
The following player received entry into the singles main draw as an alternate:
The following players received entry from the qualifying draw:
vs. / vs. / 
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