| Doubles | |
|---|---|
| 2023 Sparkassen ATP Challenger | |
| Champions |  Andrew Paulson Patrik Rikl |
| Runners-up |  Maximilian Neuchrist  Jakub Paul |
| Score | 4–6, 7–6(9–7), [11–9] |
Denis Istomin and Evgeny Karlovskiy were the defending champions [1] but withdrew from their quarterfinals match against Daniel Cukierman and Joshua Paris.
Andrew Paulson and Patrik Rikl won the title after defeating Maximilian Neuchrist and Jakub Paul 4–6, 7–6(9–7), [11–9] in the final.
Filip Bergevi / 
Mick Veldheer (semifinals)
Daniel Cukierman / 
Joshua Paris (semifinals)
Alexandru Jecan / 
Volodymyr Uzhylovskyi (first round) Maximilian Neuchrist / Jakub Paul (final)| First round | Quarterfinals | Semifinals | Final | ||||||||||||||||||||||||
| 1 | F Bergevi M Veldheer | 6 | 77 | ||||||||||||||||||||||||
 M Geerts  S Napolitano | 3 | 63 | 1 | F Bergevi M Veldheer | 6 | 64 | [10] | ||||||||||||||||||||
| Mats Hermans Ryan Nijboer | 6 | 2 | [2] | WC | A Arnaboldi F Arnaboldi | 1 | 77 | [5] | |||||||||||||||||||
| WC | A Arnaboldi F Arnaboldi | 4 | 6 | [10] | 1 | F Bergevi M Veldheer | 2 | 62 | |||||||||||||||||||
| 3 | A Jecan V Uzhylovskyi | 4 | 2 | A Paulson P Rikl | 6 | 77 | |||||||||||||||||||||
| A Paulson P Rikl | 6 | 6 | A Paulson P Rikl | 6 | 6 | ||||||||||||||||||||||
| Giorgio Ricca Augusto Virgili | 7 | 6 | G Ricca A Virgili | 1 | 3 | ||||||||||||||||||||||
B Harris  K Stevenson | 5 | 4 | A Paulson P Rikl | 4 | 79 | [11] | |||||||||||||||||||||
 M Kaśnikowski L Rottoli | 67 | 3 | 4 | M Neuchrist J Paul | 6 | 67 | [9] | ||||||||||||||||||||
 E Benchetrit  L Wessels | 79 | 6 | E Benchetrit L Wessels | 4 | 61 | ||||||||||||||||||||||
| WC | Peter Buldorini Lorenzo Carboni | 4 | 0 | 4 | M Neuchrist J Paul | 6 | 77 | ||||||||||||||||||||
| 4 | M Neuchrist J Paul | 6 | 6 | 4 | M Neuchrist J Paul | 6 | 6 | ||||||||||||||||||||
 D Istomin  E Karlovskiy | 6 | 0 | [10] | 2 | D Cukierman J Paris | 4 | 1 | ||||||||||||||||||||
| S Walków K Żuk | 4 | 6 | [5] | D Istomin E Karlovskiy | |||||||||||||||||||||||
 D Jordà Sanchis A Moro Cañas | 4 | 5 | 2 | D Cukierman J Paris | w/o | ||||||||||||||||||||||
| 2 | D Cukierman J Paris | 6 | 7 | ||||||||||||||||||||||||
James Cluskey and Maximilian Neuchrist won the title, defeating Roberto Ortega-Olmedo and Ricardo Villacorta-Alonso 6–7(5–7), 6–2, [10–8] in the final.
Izak van der Merwe and Raven Klaasen were the defending champions, but not to participate.
Devin Britton and Austin Krajicek were the defending champions but Britton decided not to participate.
Krajicek partnered with Tennys Sandgren, but lost in the final to the British pairing of Edward Corrie and Daniel Smethurst 7–6(7–5), 0–6, [10–7].
Gerard Granollers and Adrián Menéndez-Maceiras won the title, beating Maximilian Neuchrist and Divij Sharan 1–6, 6–3, [10–6]
Maximilian Neuchrist and Tristan-Samuel Weissborn won the title, defeating Nikola Mektić and Antonio Šančić in the final 7–6(9–7), 6–3.
Saketh Myneni and Sanam Singh won the title at the inaugural edition of the tournament, defeating John Paul Fruttero and Vijay Sundar Prashanth in the final 5–7, 6–4, [10–2].
Philipp Petzschner and Tim Pütz are the defending champions, but decided not to defend their title.
The men's doubles of the 2016 Advantage Cars Prague Open tournament was played on clay in Prague, Czech Republic.
Ilija Bozoljac and Flavio Cipolla were the defending champions but chose not to defend their title.
Maximilian Neuchrist and Tristan-Samuel Weissborn were the defending champions but chose not to defend their title.
Bradley Klahn and Jackson Withrow were the defending champions but only Klahn chose to defend his title, partnering Robert Galloway. Klahn successfully defended his title.
Joe Salisbury and Jackson Withrow were the defending champions but chose not to defend their title.
Roberto Bautista Agut was the defending champion, but chose not to participate this year.
This was the first edition of the tournament.
Pedro Cachin and Facundo Mena were the defending champions but chose not to defend their title.
Hsieh Cheng-peng and Christopher Rungkat were the defending champions but only Rungkat chose to defend his title, partnering Ruben Gonzales. Rungkat lost in the quarterfinals to Marc Polmans and Max Purcell.
Manuel Guinard and Arthur Rinderknech were the defending champions but chose not to defend their title.
Alexander Erler and Arjun Kadhe were the defending champions but only Kadhe chose to defend his title, partnering Maximilian Neuchrist. Kadhe and Neuchrist lost in the semifinals to Anirudh Chandrasekar and Vijay Sundar Prashanth.
Enzo Couacaud and Andrew Harris were the defending champions but chose not to defend their title.
Yuki Bhambri and Saketh Myneni were the defending champions but chose not to defend their title.