On 15 January 2021, Tusha signed his first professional contract with Super Lig side Denizlispor after agreeing to a three-and-a-half-year deal and received squad number 25.[1] His debut with Denizlispor came five days later against Galatasaray after coming on as a substitute at 46th minute in place of Hadi Sacko and scored his side's only goal during a 6–1 away deep defeat.[2]
On 19 November 2017, Tusha was named as part of the Kosovo U17 squad for 2017 Aegean Mercedes Cup.[8] A day later, he made his debut with Kosovo U17 in 2017 Aegean Mercedes Cup match against the host Turkey U17 after coming on as a substitute.[9]
On 15 March 2021, Tusha received a call-up from Kosovo U21 for the friendly matches against Qatar U23.[12] Eleven days later, he made his debut with Kosovo U21 in first match against Qatar U23 after being named in the starting line-up.[13]