| Doubles | |
|---|---|
| 2023 Porto Open | |
| Champions |  Toshihide Matsui Kaito Uesugi |
| Runners-up |  Rithvik Choudary Bollipalli Arjun Kadhe |
| Score | 6–7(5–7), 6–3, [10–5] |
Yuki Bhambri and Saketh Myneni were the defending champions [1] but chose not to defend their title.
Toshihide Matsui and Kaito Uesugi won the title after defeating Rithvik Choudary Bollipalli and Arjun Kadhe 6–7(5–7), 6–3, [10–5] in the final.
Jonathan Eysseric / 
Aisam-ul-Haq Qureshi (semifinals)
Nam Ji-sung / Song Min-kyu (first round) Rithvik Choudary Bollipalli / Arjun Kadhe (final) Toshihide Matsui / Kaito Uesugi (champions)| First round | Quarterfinals | Semifinals | Final | ||||||||||||||||||||||||
| 1 | J Eysseric A-u-H Qureshi | 78 | 7 | ||||||||||||||||||||||||
 B Lock  G Oliveira | 66 | 5 | 1 | J Eysseric A-u-H Qureshi | 6 | 6 | |||||||||||||||||||||
| WC | Gonçalo Falcão D Vale | 4 | 2 |  FC Alcantara  R Strombachs | 1 | 4 | |||||||||||||||||||||
| FC Alcantara R Strombachs | 6 | 6 | 1 | J Eysseric A-u-H Qureshi | 6 | 65 | [3] | ||||||||||||||||||||
| 4 | T Matsui K Uesugi | 6 | 6 | 4 | T Matsui K Uesugi | 4 | 77 | [10] | |||||||||||||||||||
| A Hoang Jules Marie | 1 | 2 | 4 | T Matsui K Uesugi | 6 | 6 | |||||||||||||||||||||
| N Kaliyanda Poonacha D Sharan | 6 | 3 | [10] | N Kaliyanda Poonacha D Sharan | 4 | 4 | |||||||||||||||||||||
| Alt |  Aleksandr Braynin D Yevseyev | 3 | 6 | [5] | 4 | T Matsui K Uesugi | 65 | 6 | [10] | ||||||||||||||||||
 S Diez  N Mejía | 6 | 6 | 3 | RC Bollipalli A Kadhe | 77 | 3 | [5] | ||||||||||||||||||||
| WC | Pedro Araújo Fábio Coelho | 1 | 3 | S Diez N Mejía | 3 | 4 | |||||||||||||||||||||
| J Faria H Rocha | 6 | 1 | [7] | 3 | RC Bollipalli A Kadhe | 6 | 6 | ||||||||||||||||||||
| 3 | RC Bollipalli A Kadhe | 3 | 6 | [10] | 3 | RC Bollipalli A Kadhe | 5 | 6 | [10] | ||||||||||||||||||
| J Domingues F Ferreira Silva | w/o | J Domingues F Ferreira Silva | 7 | 3 | [6] | ||||||||||||||||||||||
 M Bellucci Luca Potenza | J Domingues F Ferreira Silva | 6 | 6 | ||||||||||||||||||||||||
A Escoffier  J Paris | 6 | 6 | A Escoffier J Paris | 3 | 4 | ||||||||||||||||||||||
| 2 | J-s Nam M-k Song | 1 | 3 | ||||||||||||||||||||||||
Yuki Bhambri and Divij Sharan are the defending champions, but chose not to participate.
Toshihide Matsui and Vishnu Vardhan were the defending champions but only Matsui chose to defend his title, partnering Saketh Myneni. Matsui lost in the first round to Ivan Gakhov and Roman Safiullin.
Gong Maoxin and Zhang Ze were the defending champions but lost in the quarterfinals to Arjun Kadhe and Saketh Myneni.
Vijay Sundar Prashanth and Ramkumar Ramanathan were the defending champions but chose to defend their title with different partners. Prashanth partnered Brydan Klein but lost in the semifinals to Purav Raja and Ramanathan. Ramanathan partnered Raja and successfully defended his title.
Saketh Myneni and Ramkumar Ramanathan were the defending champions but lost in the final to Alexander Erler and Arjun Kadhe.
This was the first edition of the tournament as an ATP Challenger Tour event.
Yuki Bhambri and Saketh Myneni were the defending champions but chose not to defend their title.
Purav Raja and Ramkumar Ramanathan were the defending champions but only Raja chose to defend his title, partnering Petr Nouza. Raja lost in the quarterfinals to Anirudh Chandrasekar and Vijay Sundar Prashanth.
Marcelo Demoliner and Jan-Lennard Struff were the defending champions but chose not to defend their title.
Dan Added and Albano Olivetti were the defending champions but only Added chose to defend his title, partnering Pierre-Hugues Herbert. Added lost in the semifinals to Nam Ji-sung and Song Min-kyu.
Nicolás Álvarez Varona and Iñaki Montes de la Torre were the defending champions but chose not to defend their title.
Dustin Brown and Andrea Vavassori were the defending champions but chose not to defend their title.
Max Purcell and Luke Saville were the defending champions but only Saville chose to defend his title, partnering Li Tu. Saville lost in the quarterfinals to Toshihide Matsui and Kaito Uesugi.
Gao Xin and Sun Fajing were the defending champions but only Sun chose to defend his title, partnering Yasutaka Uchiyama. Sun and Uchiyama withdrew from their quarterfinals match against Alex Bolt and Luke Saville.
Victor Vlad Cornea and Ruben Gonzales were the defending champions but only Gonzales chose to defend his title, partnering Chung Yun-seong. Gonzales lost in the semifinals to Ray Ho and Calum Puttergill.
Hsu Yu-hsiou and Yuta Shimizu were the defending champions but lost in the quarterfinals to Rithvik Choudary Bollipalli and Arjun Kadhe.
Manuel Guinard and Grégoire Jacq were the defending champions but lost in the first round to Rithvik Choudary Bollipalli and Niki Kaliyanda Poonacha.
Jay Clarke and Arjun Kadhe were the defending champions but only Kadhe chose to defend his title, partnering Hsu Yu-hsiou. Kadhe lost in the quarterfinals to Toshihide Matsui and Kaito Uesugi.
Chung Yun-seong and Hsu Yu-hsiou were the defending champions but only Chung chose to defend his title, partnering Dan Added. Chung lost in the first round to Tristan Schoolkate and Adam Walton.
Yuki Bhambri and Mahesh Bhupathi were the defending champions from when the tournament was last held in 2016, but they didn't defend their title as Bhambri chose not to participate and Bhupathi retired from professional tennis.