| Doubles | |
|---|---|
| 2022 Zagreb Open | |
| Champions |  Adam Pavlásek  Igor Zelenay |
| Runners-up |  Domagoj Bilješko Andrey Chepelev |
| Score | 4–6, 6–3, [10–2] |
Evan King and Hunter Reese were the defending champions [1] but chose not to defend their title.
Adam Pavlásek and Igor Zelenay won the title after defeating Domagoj Bilješko and Andrey Chepelev 4–6, 6–3, [10–2] in the final.
Aleksandr Nedovyesov / 
Aisam-ul-Haq Qureshi (quarterfinals)
Karol Drzewiecki / 
Alex Lawson (quarterfinals)
Sriram Balaji / Jeevan Nedunchezhiyan (first round) Adam Pavlásek / Igor Zelenay (champions)| First round | Quarterfinals | Semifinals | Final | ||||||||||||||||||||||||
| 1 | A Nedovyesov A-u-H Qureshi | 6 | 6 | ||||||||||||||||||||||||
 Miguel Fernando Pereira Gabriel Roveri Sidney | 3 | 2 | 1 | A Nedovyesov A-u-H Qureshi | 62 | 6 | [7] | ||||||||||||||||||||
D Ajduković  A Šetkić | 1 | 3 | Alt | D Bilješko A Chepelev | 77 | 2 | [10] | ||||||||||||||||||||
| Alt | Domagoj Bilješko Andrey Chepelev | 6 | 6 | Alt | D Bilješko A Chepelev | 2 | 6 | [12] | |||||||||||||||||||
| 3 | S Balaji J Nedunchezhiyan | 6 | 64 | [9] | A Chandrasekar VS Prashanth | 6 | 3 | [10] | |||||||||||||||||||
| WC | Z Babić  A Donski | 2 | 77 | [11] | WC | Z Babić A Donski | 2r | ||||||||||||||||||||
P Matuszewski  David Pichler | 6 | 3 | [6] | A Chandrasekar VS Prashanth | 5 | ||||||||||||||||||||||
| A Chandrasekar VS Prashanth | 2 | 6 | [10] | Alt | D Bilješko A Chepelev | 6 | 3 | [2] | |||||||||||||||||||
 S Duncan  M Vervoort | 3 | 5 | 4 | A Pavlásek I Zelenay | 4 | 6 | [10] | ||||||||||||||||||||
| L Miedler M Neuchrist | 6 | 7 | L Miedler M Neuchrist | 1 | 4 | ||||||||||||||||||||||
| Mats Hermans G Smits | 3 | 7 | [6] | 4 | A Pavlásek I Zelenay | 6 | 6 | ||||||||||||||||||||
| 4 | A Pavlásek I Zelenay | 6 | 5 | [10] | 4 | A Pavlásek I Zelenay | 77 | 2 | [11] | ||||||||||||||||||
 T Altuna F Ninčević | 3 | 0 | WC | M Poljičak A Šančić | 62 | 6 | [9] | ||||||||||||||||||||
| WC | M Poljičak A Šančić | 6 | 6 | WC | M Poljičak A Šančić | 3 | 6 | [10] | |||||||||||||||||||
| PR |  Y Wu Zh Zhang | 65 | 78 | [8] | 2 | K Drzewiecki A Lawson | 6 | 0 | [7] | ||||||||||||||||||
| 2 | K Drzewiecki A Lawson | 77 | 66 | [10] | |||||||||||||||||||||||
Gero Kretschmer and Alexander Satschko were the defending champions, but they did not participate that year.
Radu Albot and Adam Pavlásek won the title, defeating Tomasz Bednarek and Henri Kontinen in the final, 7–5, 2–6, [10–8].
Ken Skupski and Neal Skupski were the defending champions, but lost in the semifinals to Tomasz Bednarek and Igor Zelenay.
Roman Jebavý and Jiří Veselý were the defending champions, but Veselý decided not to participate this year. Jebavý played alongside Adam Pavlásek, but they lost to Dino Marcan and Antonio Šančić in the quarterfinals.
Andre Begemann and Tim Pütz were the defending champion, but Begemann decided not to compete this year. Pütz played alongside Dominik Meffert and reached the final.
Richard Gasquet was the defending champion and successfully defended his title, defeating Paul-Henri Mathieu in the final, 7–5, 6–4.
Mikhail Elgin and Igor Zelenay were the defending champions but they returned with different partners.
Aljaž Bedene was the defending champion but chose not to participate.
Mateusz Kowalczyk and Igor Zelenay were the defending champions but chose to participate with different partners. Kowalczyk partnered Tomasz Bednarek while Zelenay partnered Rameez Junaid. Both failed to defend their title, with Kowalczyk losing to Zelenay in the first round and Zelenay losing to Sander Arends and Tristan-Samuel Weissborn in the quarterfinals.
Robin Haase was the defending champion but chose not to defend his title.
Sander Arends and Tristan-Samuel Weissborn were the defending champions but only Weissborn chose to defend his title, partnering Dino Marcan. Weissborn lost in the quarterfinals to Hugo Nys and Max Schnur.
Sanchai and Sonchat Ratiwatana were the defending champions but chose not to defend their title.
Julian Knowle and Igor Zelenay were the defending champions but only Zelenay chose to defend his title, partnering Denys Molchanov. Zelenay lost in the semifinals to Ariel Behar and Máximo González.
Julian Knowle and Igor Zelenay were the defending champions but only Zelenay chose to defend his title, partnering Denys Molchanov. Zelenay lost in the quarterfinals to Andre Begemann and Dustin Brown.
Denys Molchanov and Igor Zelenay were the defending champions but chose to defend their title with different partners. Molchanov partnered Hans Podlipnik Castillo but lost in the quarterfinals to Jebavý and Zelenay. Zelenay partnered Roman Jebavý but lost in the final to Frederik Nielsen and Tim Pütz.
Artem Sitak and Igor Zelenay were the defending champions but only Zelenay chose to defend his title, partnering Roman Jebavý. Zelenay lost in the quarterfinals to Zdeněk Kolář and Lukáš Rosol.
Victor Vlad Cornea and Fabian Fallert were the defending champions and successfully defended their title, defeating Antonio Šančić and Igor Zelenay 6–4, 3–6, [10–2] in the final.
This was the first edition of the tournament.
Roman Jebavý and Igor Zelenay were the defending champions but only Jebavý chose to defend his title, partnering Adam Pavlásek. Jebavý lost in the final to Neil Oberleitner and Philipp Oswald.
Dustin Brown and Andrea Vavassori were the defending champions but only Brown chose to defend his title, partnering Evan King. Brown lost in the first round to Lukáš Klein and Igor Zelenay.
Adam Pavlásek and Igor Zelenay were the defending champions but only Zelenay chose to defend his title, partnering Petr Nouza. Zelenay lost in the first round to Andrew Harris and John-Patrick Smith.