Charles De Ketelaere netted twice to help Atalanta boost their chances of returning to the Champions League with a 2-1 win over direct rival Roma on Sunday, with the result clinching spots in Europe's top competition for Juventus and Bologna.
De Ketelaere scored the two goals within as many minutes in the first half, but Lorenzo Pellegrini set up a tense final quarter of the match by scoring from the spot.
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Fifth-place Atalanta moved three points above Roma and has also played a match less. The top five in Serie A qualify for next season's Champions League and there are two rounds remaining in the Italian league.
The result also meant Juventus secured a spot in next season's Champions League despite being held to a 1-1 draw by Salernitana earlier in the day. It also confirmed Bologna's first appearance in the Champions League.
But it was more misery for Roma which was eliminated from the Europa League midweek, giving up a two-goal lead to draw 2-2 at Bayer Leverkusen in the second leg of their semifinal.
Atalanta will face Leverkusen in the final after beating Marseille.
The two teams were in very different states with Atalanta full of confidence after five wins in six matches and Roma the opposite following just one win in the same period.
Atalanta took the lead in the 18th minute when De Ketelaere raced onto Gianluca Scamacca's through ball and cut past Roma defender Gianluca Mancini before firing into the far side of the net.
De Ketelaere doubled his tally two minutes later after being set up by Teun Koopmeiners following a one-two with Scamacca.
De Ketelaere had numerous other chances to complete a hat trick - including a shot that came off the post - in a magical performance from the on-loan AC Milan midfielder, while Koopmeiners also hit the post with a free kick shortly before the interval.
Roma got back into the match when Pellegrini drilled a penalty into the bottom left corner after Atalanta defender Marten de Roon had tripped Tammy Abraham.
Juventus hit the woodwork three times before a late goal from Adrien Rabiot allowed them to snatch a point at home to bottom club Salernitana, who snapped a run of four losses.
Juventus rested a number of players ahead of Wednesday's Italian Cup final against Atalanta, although Massimiliano Allegri rang the changes after his team was jeered off the field at half-time, making three substitutions.
But by that point Juventus was trailing after Niccolò Pierozzi headed a corner between home goalkeeper Wojciech Szczęsny and the near post for his first Serie A goal.
Juventus rescued a point in stoppage time when Manuel Locatelli backheeled on a corner for Rabiot to come sliding onto at the far post.
Information from The Associated Press was used in this story.