After having won multiple titles, including the 2019 AFC Cup, Ayass returned to Dunav Ruse in 2019, before moving to Persiraja in Indonesia the following year.

Born in Bulgaria, Ayass represented them at youth level before switching allegiance to Lebanon, for whom he made his senior international debut in 2017.

He helped his team reach the 2019 AFC Asian Cup for the first time through qualification, playing in the final tournament.

[6] On 4 August 2017, Ayass signed a two-year contract with Lebanese Premier League champions Ahed for an undisclosed fee.

[14] He made his debut on 8 April, coming on as a substitute and winning a penalty for his team; they lost 2–1 to Botev Plovdiv.

[22] On 10 October 2017, Ayass scored his first international goal for Lebanon against North Korea, in a 5–0 home win at the Asian Cup qualifications.