In 2018, Lombardo won the gold medal in the men's 66 kg event at the Mediterranean Games held in Tarragona, Spain.

[3] He won the gold medal in the men's 66 kg event at the 2021 European Judo Championships held in Lisbon, Portugal.

Lombardo lost his bronze medal match in the men's 66 kg event at the 2020 Summer Olympics in Tokyo, Japan.

He lost his bronze medal match in the men's 73 kg event at the 2022 Mediterranean Games held in Oran, Algeria.

He won the silver medal in the men's 73 kg event at the 2023 World Judo Championships held in Doha, Qatar.