2023-10-02 Lisbon (c)

The 2023 Lisboa Belém Open (known as Del Monte Lisboa Belém Open for sponsorship reasons) was a men's tennis tournament played on outdoor clay courts in Lisbon, Portugal, that was part of the Challenger 75 series of tournaments on the 2023 ATP Challenger Tour. It was the 7th edition of the Lisboa Belém Open and was held.