Savinykh bested Johansson 7-6 (7-2), 3-6, 7-5 on the red clay courts of the Centro de Alto Rendimiento.
Another favorite to fall Monday was eighth-seeded Patricia Mayr-Achleitner, who was upended by Lara Arruabarrena-Vecino of Spain 6-1, 3-6, 7-6 (7-3).
Also Monday, Bogota native Mariana Duque-Marino delighted the home crowd with a 3-6, 6-4, 7-5 win over American Tetiana Luzhanska, while Petra Rampre bested Columbia's Karen Castiblanco 6-3, 6-4.
Wisconsin business offering 'therapeutic cuddling' forced to close
Ohio crash that killed two caught on camera [VIDEO]