The last goal Inter let in was in the 40th minute of Inter 1-1 Cagliari (a Pinilla penalty) on 23 February. Since then they have stifled their opponents’ attacks for a total of 230 minutes: the remaining 50 against Cagliari and the matches with Roma (0-0 away) and Torino (1-0 at home).
Source: fcinternews.it