His first start arrived the following December during a goalless draw away to Defensores de Belgrano.[2][5] In August 2019, Reinhart was signed by Italian Serie B outfit Spezia on loan.[2][6] He was assigned to their youth team in Campionato Primavera 2.[7] In November 2019, he began to be regularly called to the senior squad. On 26 December 2019, he made his Serie B debut when he played a full game against Virtus Entella.[8] On 19 February he scored his first goal as a professional in the CA Temperley shirt against Club Atlético Talleres de Remedios de Escalada, scoring the third goal of the match.
In December 2023, Reinhart returned to Italy and signed a contract with Reggiana, effective on 2 January 2024.[9]