He won the gold medal in the men's kumite 67 kg event at the 2019 European Games held in Minsk, Belarus.

[3][4] Four years earlier, he won the silver medal in the men's kumite 60 kg event at the 2015 European Games held in Baku, Azerbaijan.

[5] In 2013, Maresca represented Italy at the Mediterranean Games held in Mersin, Turkey and he won the gold medal in the men's kumite 60 kg event.

[6] At the 2015 European Karate Championships held in Istanbul, Turkey, he won the gold medal in the men's kumite 60 kg event.

[10] Maresca lost his bronze medal match in the men's 67 kg event at the 2023 European Karate Championships held in Guadalajara, Spain.