| Doubles | |
|---|---|
| 2023 AON Open Challenger | |
| Champions |  Giovanni Oradini Lorenzo Rottoli |
| Runners-up |  Ivan Sabanov Matej Sabanov |
| Score | 6–4, 6–3 |
Dustin Brown and Andrea Vavassori were the defending champions [1] but only Vavassori chose to defend his title, partnering Andrea Pellegrino. Vavassori lost in the semifinals to Ivan and Matej Sabanov.
Giovanni Oradini and Lorenzo Rottoli won the title after defeating Sabanov and Sabanov 6–4, 6–3 in the final.
Andrea Pellegrino / Andrea Vavassori (semifinals)
Evan King / Reese Stalder (first round)
Constantin Frantzen / Hendrik Jebens (quarterfinals)
Ivan Liutarevich / 
Vladyslav Manafov (quarterfinals)| First round | Quarterfinals | Semifinals | Final | ||||||||||||||||||||||||
| 1 | A Pellegrino A Vavassori | 6 | 6 | ||||||||||||||||||||||||
| Enrico Dalla Valle S Travaglia | 2 | 2 | 1 | A Pellegrino A Vavassori | 3 | 77 | [10] | ||||||||||||||||||||
| Volodymyr Uzhylovskyi Samuel Vincent Ruggeri | 6 | 6 | V Uzhylovskyi S Vincent Ruggeri | 6 | 64 | [3] | |||||||||||||||||||||
| R Bonadio S Caruso | 4 | 3 | 1 | A Pellegrino A Vavassori | 6 | 4 | [9] | ||||||||||||||||||||
| 3 | C Frantzen H Jebens | 6 | 6 | I Sabanov M Sabanov | 1 | 6 | [11] | ||||||||||||||||||||
| WC | A Arnaboldi F Arnaboldi | 4 | 3 | 3 | C Frantzen H Jebens | 62 | 6 | [4] | |||||||||||||||||||
| I Sabanov M Sabanov | 4 | 6 | [12] | I Sabanov M Sabanov | 77 | 3 | [10] | ||||||||||||||||||||
| WC | F Maestrelli Filippo Romano | 6 | 4 | [10] | I Sabanov M Sabanov | 4 | 3 | ||||||||||||||||||||
| M Bortolotti F Passaro | 5 | 1 | Alt | G Oradini L Rottoli | 6 | 6 | |||||||||||||||||||||
| F Forti J Ocleppo | 7 | 6 | F Forti J Ocleppo | 3 | 6 | [13] | |||||||||||||||||||||
 F Bergevi  R Gonzales | 5 | 3 | 4 | I Liutarevich V Manafov | 6 | 3 | [11] | ||||||||||||||||||||
| 4 | I Liutarevich V Manafov | 7 | 6 | F Forti J Ocleppo | 711 | 2 | [9] | ||||||||||||||||||||
G Fonio  A Jecan | 62 | 611 | Alt | G Oradini L Rottoli | 69 | 6 | [11] | ||||||||||||||||||||
 T Monteiro T Seyboth Wild | 77 | 713 | T Monteiro T Seyboth Wild | ||||||||||||||||||||||||
| Alt | G Oradini L Rottoli | 3 | 78 | [10] | Alt | G Oradini L Rottoli | w/o | ||||||||||||||||||||
| 2 | E King R Stalder | 6 | 66 | [8] | |||||||||||||||||||||||
Steven de Waard and Ben McLachlan were the defending champions but chose not to defend their title.
Julian Ocleppo and Andrea Vavassori were the defending champions but chose to defend their title with different partners. Ocleppo partnered Andrea Pellegrino but lost in the first round to David Marrero and Roberto Maytín. Vavassori partnered Andrei Vasilevski but lost in the final to Tomislav Brkić and Ante Pavić.
Julian Ocleppo and Andrea Vavassori were the defending champions but only Vavassori chose to defend his title, partnering Andrea Pellegrino. Vavassori lost in the semifinals to Ivan and Matej Sabanov.
Markus Eriksson and André Göransson were the defending champions but only Eriksson chose to defend his title, partnering Tuna Altuna. Eriksson lost in the quarterfinals to Sander Arends and David Pel.
Andrej Martin and Hans Podlipnik Castillo were the defending champions but chose not to defend their title.
Dustin Brown and Donald Young were the defending champions but chose not to defend their title.
John Peers and Michael Venus were the defending champions, but they chose not to participate.
Simone Bolelli and Guillermo Durán were the defending champions but only Durán chose to defend his title, partnering Tim Sandkaulen. Durán lost in the quarterfinals to Szymon Walków and Jan Zieliński.
Andre Begemann and Florin Mergea were the defending champions but chose not to defend their title.
This was the first edition of the tournament.
This was the first edition of the tournament.
Hugo Nys and Jan Zieliński were the defending champions but chose not to defend their title.
Blaž Kavčič and Blaž Rola were the defending champions but chose not to defend their title.
Renzo Olivo was the defending champion but lost in the semifinals to Andrea Vavassori.
Ivan and Matej Sabanov were the defending champions but lost in the quarterfinals to Matteo Arnaldi and Francesco Passaro.
Orlando Luz and Rafael Matos were the defending champions but chose not to defend their title.
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.
Santiago González and Andrés Molteni were the defending champions but chose not to defend their title.
Zdeněk Kolář and Andrea Vavassori were the defending champions but chose not to defend their title.
Luis David Martínez and Andrea Vavassori were the defending champions but chose not to defend their title.