| 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 | ||||||||||||||||||||||||
| E Dalla Valle S Travaglia | 2 | 2 | 1 | A Pellegrino A Vavassori | 3 | 77 | [10] | ||||||||||||||||||||
| V 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.
John Peers and Michael Venus were the defending champions, but they chose not to participate.
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.
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.
Oleksii Krutykh and Oriol Roca Batalla were the defending champions but chose to defend their title with different partners. Krutykh partnered Sumit Nagal but lost in the first round to Marco Bortolotti and Alexandru Jecan. Roca Batalla partnered Daniel Rincón but lost in the final to Andrea Pellegrino and Andrea Vavassori.
Tomás Barrios Vera and Alejandro Tabilo defeated Orlando Luz and Matías Soto in the final, 6–2, 6–4 to win the doubles tennis title at the 2024 Chile Open. It was both players' first ATP doubles title.
Andrea Pellegrino and Andrea Vavassori were the defending champions but only Pellegrino chose to defend his title, partnering David Vega Hernández. They lost in the first round to Marco Bortolotti and Giorgio Ricca.