Inter Milan failed to move away from AC Milan's pursuit after being held to a 1-1 draw by Atalanta at the Giuseppe Meazza on Saturday evening WIB.
The Nerazzurri took the lead through Francesco Pio Esposito before the visitors equalized through Nikola Krstovic.
This result does not change Inter's position at the top of the standings with 68 points, but it moves them away from second-placed AC Milan.
Milan has collected 60 points and will only play the 29th match against Lazio.
Atalanta remain in seventh place with 47 points, three points behind Juventus in sixth, according to the legaserie a.
Inter immediately came under pressure from the visitors. Atalanta almost took the lead in the 12th minute through Gianluca Scamacca's close-range shot, but Yann Sommer was quick to parry the ball away.
Despite being under pressure in the first 15 minutes, Inter scored first in the 26th minute.
Esposito latched onto Nicolo Barella's short pass inside the box before unleashing a shot that keeper Marco Carnesecchi could not stop.
