At the Tamarov school, they began to attend the judo section, then hand-to-hand combat attracted their attention, and only after that it was the turn of sambo, where both brothers reached great heights and received a good sports base.

During the period of study at the school, Nemkov managed to participate in many competitions in sambo and other disciplines.

Almost all of his youth was spent at a high pace, learning, discovering new things in sports.

Due to the fact that the guy himself was strong and physically well developed, he was called up for service in the special forces.

Nemkov notes that the army gave him additional knowledge, both in the sports component and in life in general.

[2][3] During this entire period of "army-training", Nemkov actively participated in the Russian, European and world championships in combat sambo, where in most cases he took gold.

[6] In the semi-finals on December 31, Nemkov faced Jiří Procházka, losing via retirement due to being too exhausted at the end of the first (10 minute) round.

[10] On June 17, 2016, Nemkov fought Mikołaj Różanski on the Fight Nights Global 50: Emelianenko vs Maldonado card in St. Petersburg, Russia.

[21] However, it was later announced that Bellator 242 and Nemkov's bout against Bader was being postponed due to the COVID-19 pandemic.

Nemkov won the bout via second-round technical knockout to capture the Bellator Light Heavyweight title.

[25] In the semi-finals of the Grand Prix, Nemkov was scheduled to face Anthony Johnson on October 16, 2021, at Bellator 268.

[26] On September 18, it was announced that Johnson was pulled from the Grand Prix due to an undisclosed illness and he was replaced by Julius Anglickas.

[27][28] Nemkov dominated the fight with wrestling and ground and pound, eventually winning via submission in round four.

[30] The fight ended in a no contest after an accidental clash of heads resulted in a cut on Nemkov's left brow that rendered him unable to continue.

[35] In January 2023, Bellator announced that it had signed a multi-year, multi-fight contract with Nemkov.