She beat Van Duin, 45-seconds into the fight winning by a first-round technical knockout.
Cyborg cut straight to the chase, after the fight, to call out UFC bantamweight champion Rousey.
"I'll try to make 135 lbs, 140 lbs," Justino said, via SB Nation.
"Ronda Rousey, stop running!"
For Justino to fight Rousey she would need to join the UFC and would need to drop down in weight from 145 pounds to 135 pounds.
In Invicta events Justino sits at 14-1.