Erokhov's international debut came in September 2016 at a 2016–17 ISU Junior Grand Prix (JGP) competition in Yokohama, Japan, where he won the bronze medal.

Erokhov finished 10th competing on the senior level at the 2017 Russian Championships in December 2016 and 5th at the junior event in February 2017.

After winning gold in Gdańsk, Poland, he qualified to the JGP Final in Nagoya, Japan, where he placed 5th.

He ranked second in the short program, behind Alexei Krasnozhon, who later withdrew, and first in the free skate, outscoring the silver medalist, his teammate Artur Danielian, by more than 12 points.

[2] Erokhov was supposed to start his season at the Ondrej Nepela Trophy but withdrew due to injury.

Still dealing with an injury, Erokhov only competed in one competition - the Russian Cup Final, where he placed twelfth.