[3] Later in an interview with Navad, he revealed that he declined a huge offer from Persepolis to join the team he supported during his childhood.

[5] On 9 July 2013, he made his debut in a friendly against Dynamo Kyiv in which he conceded a goal as Esteghlal beat their opponent 2–1.

[8] He made his professional debut in 2014–15 Iran Pro League in 1–0 loss against Rah Ahan on 25 August 2014.

Hosseini made his season debut in the league on 15 September against Pars Jonoubi Jam in which he conceded 2 goals.

[13] He wore the captain's armband for the first time in the next game, on 20 September, in a league match against Zob Ahan.

[21] On 24 February, Hosseini picked up a yellow card for time wasting in a match against Foolad, which ruled him out of the Tehran derby the following week.

[22] In April 2024, Hosseini was suspended and fined by the Iranian federation for hugging a female fan.

[28] On 17 March 2018, he made his official debut as a substitute for Hamed Lak at half-time against Sierra Leone, which Iran won 4–0 with Hosseini keeping a clean sheet.