| Doubles | |
|---|---|
| 2023 UniCredit Czech Open | |
| Champions |  Ariel Behar  Adam Pavlásek |
| Runners-up |  Marco Bortolotti  Sergio Martos Gornés |
| Score | 7–5, 6–4 |
Yuki Bhambri and Saketh Myneni were the defending champions [1] but chose not to defend their title.
Ariel Behar and Adam Pavlásek won the title after defeating Marco Bortolotti and Sergio Martos Gornés 7–5, 6–4 in the final.
Ariel Behar / Adam Pavlásek (champions) Roman Jebavý / 
Luis David Martínez (first round) Marco Bortolotti / Sergio Martos Gornés (final)
Vladyslav Manafov / 
Szymon Walków (first round)| First round | Quarterfinals | Semifinals | Final | ||||||||||||||||||||||||
| 1 | A Behar A Pavlásek | 6 | 6 | ||||||||||||||||||||||||
 H Reese  S Verbeek | 2 | 3 | 1 | A Behar A Pavlásek | 7 | 6 | |||||||||||||||||||||
| WC | V Kopřiva J Pospíšil | 67 | 6 | [6] |  L Margaroli  I Zelenay | 5 | 0 | ||||||||||||||||||||
| L Margaroli I Zelenay | 79 | 3 | [10] | 1 | A Behar A Pavlásek | 6 | 65 | [11] | |||||||||||||||||||
| 4 | V Manafov S Walków | 6 | 4 | [7] | Z Kolář J Menšík | 3 | 77 | [9] | |||||||||||||||||||
| Z Kolář J Menšík | 3 | 6 | [10] | Z Kolář J Menšík | 713 | 7 | |||||||||||||||||||||
 T Arribagé L Sanchez | 4 | 6 | [10] | T Arribagé L Sanchez | 611 | 5 | |||||||||||||||||||||
| K Drzewiecki M Guinard | 6 | 4 | [4] | 1 | A Behar A Pavlásek | 7 | 6 | ||||||||||||||||||||
T Macháč  E Ymer | 3 | 3 | 3 | M Bortolotti S Martos Gornés | 5 | 4 | |||||||||||||||||||||
| Í Cervantes O Roca Batalla | 6 | 6 | Í Cervantes O Roca Batalla | 77 | 4 | [6] | |||||||||||||||||||||
 A Collarini L Darderi | 2 | 5 | 3 | M Bortolotti S Martos Gornés | 64 | 6 | [10] | ||||||||||||||||||||
| 3 | M Bortolotti S Martos Gornés | 6 | 7 | 3 | M Bortolotti S Martos Gornés | 6 | 2 | [10] | |||||||||||||||||||
| WC | V Sachko D Svrčina | 62 | 3 | P Nouza A Paulson | 2 | 6 | [2] | ||||||||||||||||||||
 F Romboli M Zormann | 77 | 6 | F Romboli M Zormann | 63 | 3 | ||||||||||||||||||||||
| P Nouza A Paulson | 6 | 6 | P Nouza A Paulson | 77 | 6 | ||||||||||||||||||||||
| 2 | R Jebavý LD Martínez | 4 | 4 | ||||||||||||||||||||||||
Marcelo Demoliner and David Vega Hernández were the defending champions but only Vega Hernández chose to defend his title, partnering Simone Bolelli. Vega Hernández successfully defended his title.
Tomislav Brkić and Ante Pavić were the defending champions but only Brkić chose to defend his title, partnering Andrea Pellegrino. Brkić lost in the first round to Sergio Martos Gornés and Felipe Meligeni Alves.
Ariel Behar and Gonzalo Escobar were the defending champions but only Escobar chose to defend his title, partnering Diego Hidalgo. Escobar lost in the first round to Íñigo Cervantes and Oriol Roca Batalla.
Ariel Behar and Gonzalo Escobar were the defending champions but only Escobar chose to defend his title, partnering Artem Sitak. Escobar lost in the semifinals to Íñigo Cervantes and Oriol Roca Batalla.
This was the first edition of the tournament.
Antonio Šančić and Tristan-Samuel Weissborn were the defending champions but chose not to defend their title.
Nuno Borges and Francisco Cabral were the defending champions and successfully defended their title, defeating Piotr Matuszewski and David Pichler 6–4, 7–5 in the final.
Gonçalo Oliveira and Andrei Vasilevski were the defending champions but chose not to defend their title.
Vitaliy Sachko and Dominic Stricker were the defending champions but chose not to defend their title.
Sadio Doumbia and Fabien Reboul were the defending champions but chose not to defend their title.
Orlando Luz and Felipe Meligeni Alves were the defending champions but only Meligeni Alves chose to defend his title, partnering Marcelo Demoliner. Meligeni Alves lost in the quarterfinals to Marco Bortolotti and Sergio Martos Gornés.
Zdeněk Kolář and Luis David Martínez were the defending champions but only Martínez chose to defend his title, partnering Fabien Reboul. Martínez lost in the semifinals to Ivan and Matej Sabanov.
Karol Drzewiecki and Sergio Martos Gornés were the defending champions but only Martos Gornés chose to defend his title, partnering Marco Bortolotti. Martos Gornés lost in the semifinals to Yuki Bhambri and Saketh Myneni.
Ariel Behar and Gonzalo Escobar were the defending champions but chose not to defend their title.
Antonio Šančić and Tristan-Samuel Weissborn were the defending champions but only Weissborn chose to defend his title, partnering Romain Arneodo. Weissborn lost in the quarterfinals to Marco Bortolotti and Sergio Martos Gornés.
Nuno Borges and Francisco Cabral were the defending champions but chose not to defend their title.
Victor Vlad Cornea and Sergio Martos Gornés were the defending champions but only Martos Gornés chose to defend his title, partnering Marco Bortolotti. Martos Gornés lost in the semifinals to Matteo Gigante and Francesco Passaro.
Íñigo Cervantes and Oriol Roca Batalla were the defending champions but withdrew before their match in the quarterfinals.
Sadio Doumbia and Fabien Reboul were the defending champions but chose not to defend their title.
The 2023 UniCredit Czech Open was a professional tennis tournament played on clay courts. It was the 30th edition of the tournament which was part of the 2023 ATP Challenger Tour. It took place in Prostějov, Czech Republic between 5 and 10 June 2023.