[3] On 10 September 2019, Tavares debuted for the first team as a starter in a 2–1 home loss to RB Leipzig in the UEFA Champions League.

He made his Primeira Liga debut as a 12th-minute substitute in a 1–0 home win over Vitória de Setúbal on 28 September.

[4] He made his first league appearance in a home match against Barcelona after coming as a substitute for Édgar Méndez in the second half.

[11] In January 2023, Tavares signed for Russian Premier League club Spartak Moscow on a three-and-a-half-year deal.

In June 2023, while at the Portugal national under-21 football team camp, Tavares suffered an ACL tear, which became his second similar injury in 13 months.