A product of Cherno More's academy, Dyulgerov joined the first team as third choice goalkeeper in January 2016, following the departure of Iliya Nikolov.

[2] He made his league debut for Cherno More in a 3–1 away win over Neftochimic Burgas on 19 March 2017, playing the full 90 minutes.

[8] On 12 September 2017, Dyulgerov made his debut for Bulgaria U19 in a friendly against Bosnia and Herzegovina U19.

[9] Dyulgerov made his debut for the Bulgarian under-21 team on 22 March 2019 in the starting eleven for the friendly against Northern Ireland U21.

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