| Doubles | |
|---|---|
| 2024 Tennis Open Karlsruhe | |
| Champions |  Jakob Schnaitter Mark Wallner |
| Runners-up |  Dan Added Grégoire Jacq |
| Score | 6–4, 6–0 |
Neil Oberleitner and Tim Sandkaulen were the defending champions [1] but chose not to defend their title.
Jakob Schnaitter and Mark Wallner won the title after defeating Dan Added and Grégoire Jacq 6–4, 6–0 in the final.
Jakob Schnaitter / Mark Wallner (champions) Dan Added / Grégoire Jacq (final)
Ivan Liutarevich / 
Sergio Martos Gornés (first round)
Jeevan Nedunchezhiyan / Vijay Sundar Prashanth (first round)| First round | Quarterfinals | Semifinals | Final | ||||||||||||||||||||||||
| 1 | J Schnaitter M Wallner | 7 | 77 | ||||||||||||||||||||||||
 J De Loore D Masur | 5 | 61 | 1 | J Schnaitter M Wallner | 3 | 6 | [10] | ||||||||||||||||||||
 Jiří Barnat R Jebavý | 7 | 7 | J Barnat R Jebavý | 6 | 3 | [3] | |||||||||||||||||||||
 J Kovalík I Zelenay | 5 | 5 | 1 | J Schnaitter M Wallner | 6 | 6 | |||||||||||||||||||||
| 4 | J Nedunchezhiyan VS Prashanth | 4 | 5 |  I Carou  M Kestelboim | 1 | 4 | |||||||||||||||||||||
| I Carou Mariano Kestelboim | 6 | 7 | I Carou M Kestelboim | 6 | 78 | ||||||||||||||||||||||
| WC | Tim Rühl Patrick Zahraj | 6 | 4 | [7] |  G Oliveira S Rodríguez Taverna | 2 | 66 | ||||||||||||||||||||
| G Oliveira S Rodríguez Taverna | 3 | 6 | [10] | 1 | J Schnaitter M Wallner | 6 | 6 | ||||||||||||||||||||
 D Cukierman  D Dutra da Silva | 6 | 6 | 2 | D Added G Jacq | 4 | 0 | |||||||||||||||||||||
| WC | J Engel Lasse Pörtner | 4 | 2 | D Cukierman D Dutra da Silva | 6 | 6 | |||||||||||||||||||||
| D Rincón N Sánchez Izquierdo | 77 | 6 | D Rincón N Sánchez Izquierdo | 3 | 3 | ||||||||||||||||||||||
| 3 | I Liutarevich S Martos Gornés | 62 | 4 | D Cukierman D Dutra da Silva | 66 | 6 | [7] | ||||||||||||||||||||
R Molleker  D Yevseyev | 2 | 77 | [10] | 2 | D Added G Jacq | 78 | 4 | [10] | |||||||||||||||||||
 T Kodat  R Strombachs | 6 | 65 | [5] | R Molleker D Yevseyev | 78 | 3 | [5] | ||||||||||||||||||||
| T Colson Niklas Schell | 4 | 5 | 2 | D Added G Jacq | 66 | 6 | [10] | ||||||||||||||||||||
| 2 | D Added G Jacq | 6 | 7 | ||||||||||||||||||||||||
Romain Arneodo and Jonathan Eysseric were the defending champions but only Eysseric chose to defend his title, partnering Miguel Ángel Reyes-Varela. Eysseric lost in the first round to Manuel Guinard and Grégoire Jacq.
Sriram Balaji and Jeevan Nedunchezhiyan were the defending champions but chose not to defend their title.
Arklon and Conner Huertas del Pino were the defending champions but lost in the quarterfinals to Jakob Schnaitter and Mark Wallner.
Yuki Bhambri and Mahesh Bhupathi were the defending champions from when the tournament was last held in 2016, but they didn't defend their title as Bhambri chose not to participate and Bhupathi retired from professional tennis.
Harri Heliövaara and Roman Jebavý were the defending champions but chose not to defend their title.
Robert Galloway and Miguel Ángel Reyes-Varela were the defending champions but only Reyes-Varela chose to defend his title, partnering Guido Andreozzi. He lost in the semifinals to Jaime Faria and Henrique Rocha.
Petr Nouza and Andrew Paulson were the defending champions but only Nouza chose to defend his title, partnering Patrik Rikl. They lost in the semifinals to Jakob Schnaitter and Mark Wallner.
Constantin Frantzen and Hendrik Jebens were the defending champions but chose not to defend their title.
Constantin Frantzen and Hendrik Jebens were the defending champions but lost in the semifinals to Jakob Schnaitter and Mark Wallner.
Ariel Behar and Adam Pavlásek were the defending champions but chose not to defend their title.
Karol Drzewiecki and Petr Nouza were the defending champions but only Drzewiecki chose to defend his title, partnering Piotr Matuszewski. They lost in the quarterfinals to Orlando Luz and Marcelo Zormann.
Dan Added and Grégoire Jacq were the defending champions but chose not to defend their title.
Andrey Golubev and Denys Molchanov were the defending champions but chose not to defend their title.
Luca Margaroli and Santiago Rodríguez Taverna were the defending champions but chose not to defend their title.
This was the first edition of the tournament.
Constantin Frantzen and Hendrik Jebens were the defending champions but chose not to defend their title.
Zdeněk Kolář and Blaž Rola were the defending champions but only Rola chose to defend his title, partnering Mohamed Safwat. They lost in the first round to Gerald Melzer and Lukas Neumayer.
Andrew Paulson and Vitaliy Sachko were the defending champions but only Paulson chose to defend his title, partnering Michael Vrbenský. They withdrew from the tournament before their first round match.
Constantin Frantzen and Hendrik Jebens were the defending champions but chose not to defend their title.
Julian Cash and Robert Galloway were the defending champions but chose not to defend their title.