| 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.
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The 2023 Porto Open was a professional tennis tournament played on hard courts. It was the third edition of the tournament which was part of the 2023 ATP Challenger Tour. It took place in Porto, Portugal between 31 July and 6 August 2023.
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