In February, she won the bronze medal at the 2017 European Youth Olympic Winter Festival in Erzurum, Turkey.

Gennaro made her senior international debut in early November, at the 2017 Denkova-Staviski Cup, having become age-eligible at the beginning of the season.

Competing in the senior ranks, Gennaro won silver at the Denkova-Staviski Cup in November and placed 5th at the Italian Championships in December.

In January, she represented Italy at the 2019 European Championships in Minsk, Belarus; she placed 16th in the short program and qualified to the final segment.

JGP: Junior Grand Prix Small medals for short and free programs awarded only at ISU Championships.