In October 2016, he was invited to the national team for the 2016 AFC U-19 Championship. In January 2017, he was invited to the national team of Tajikistan for 5 friendly matches with the U18 national team and made his debut in the match against the Greek U18 team. Tajikistan U19 lost in the quarterfinals. In October 2018, he was invited to the national team for the 2018 AFC U-19 Championship qualifiers. On October 4, 2018, Nurmatov made its debut in a match against the Sri Lanka national under-19 team. As the winner of Group B, they participated in the 2018 AFC U-19 Championship. He made his debut on October 20, 2018, in a match against the Chinese U-19 national team. He took part in 3 matches in the starting lineup of the tournament and in the quarterfinals with Tajikistan, the silver medalist lost to South Korea 1:0.
