Spetsnaz GRU hand-to-hand combat style is a martial arts system taught by Alexandre Popov for use by special reconnaissance/saboteur units of the GRU.

Popov's System, based on Southern Chinese and Russian styles of fighting was developed in the 1920s and 1930s. There is strong infuence of Shaolin Kung Fu in this system.

Though also taught to Spetsnaz, it is completely different from and has no relation to Systema.