Walter Mazzarri's side gave a dogged performance on the opening weekend of the new Italian season to get the better of Genoa 2-0 at the San Siro, with both goals coming in the final 15 minutes of the contest.
Catania, though, failed to register a point in their first match of the Serie A campaign, losing 2-1 to Fiorentina in Florence.
Inter Milan: W
Possible starting lineups
Catania: Andujar; Alvarez, Bellusci, Spolli, Monzon; Izco, Tachtsidis, Castro; Barrientos, Bergessio, Leto
Inter Milan: Handanovic; Campagnaro; Ranocchia, Juan; Jonathan, Kuzmanovic, Guarin, Cambiasso, Nagatomo; Alvarez; Palacio
Sports Mole says: 0-2