Those led by the Argentine Marcelo Grioni, quickly put themselves in front of Santos by scoring their first goal in minute 2, thanks to an accurate header from Breno Naranjo, which made the Inca Garcilaso de la Vega stadium vibrate, in Cusco, which told with a total full of 30,000 people.
At 14 minutes midfielder Rudy Palomino managed to score the goal of confidence, with a powerful shot from outside the area that stuck in the left corner.
The third was Breno Naranjo, in the 37th minute, with a shot from the left, so that Cienciano went to rest with the excitement of the stands.
In the second half, Jose Cuero converted the fourth goal, which consolidated the return of the Cusquenos to the first division, after four years of absence.
However, Santos did not lower his arms and reached his first goal at 84 minutes from the hand of Argentine Mateo Ahmed, and a hard second both at 87 minutes also from Argentine Jose Alfani, although that was not enough to overcome the Cienciano which achieved international popularity by winning the 2003 South American Cup against the River Plate and the 2004 Recopa against Boca Juniors.
Cienciano and Santos arrived at the meeting in Cusco with only one point of difference, with 41 and 40 respectively, so the party defined the team that would make the first quota of the two that the League 2 grants to climb to first.
The other quota will be defined in a home run between the teams they occupy from 2 to 7, at the end of the year.