See main article: 2023 Porto Open.
Altuğ Çelikbilek was the two-time defending champion[1] but lost in the second round to Antoine Escoffier.
Luca Nardi won the title after defeating João Sousa 5–7, 6–4, 6–1 in the final.
This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "2023 Porto Open – Singles".
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