Team news: Milan were without Alessandro Plizzari, Stefan Simić, Mattia Caldara, Ivan Strinić, Riccardo Montolivo, Giacomo Bonaventura and Lucas Biglia and Davide Calabria, who were originally in the squad but were suffering from a right calf muscle problem and from a sprained ankle, respectively. Genoa had to do without the banned Cristian Romero as well as Federico Marchetti, Nicolás Spolli and Andrea Favilli. Kickoff for the rescheduled Matchday 1 was 20:30 CET.
Goals: Suso (4′), Romagnoli (56′ own goal, 91′)
AC Milan (3-5-2) – Gennaro Gattuso
Gianluigi Donnarumma; Mateo Musacchio, Alessio Romagnoli, Ricardo Rodríguez; Suso, Tiémoué Bakayoko, Franck Kessié, Hakan Çalhanoğlu (82′ Samu Castillejo), Diego Laxalt (62′ Ignazio Abate); Gonzalo Higuaín, Patrick Cutrone.
Bench: Reina, A. Donnarumma, Josè Mauri,
Castillejo, Borini, Conti, Bertolacci, Zapata, Abate, Simić, Halilović, Bellanova.
Genoa C.F.C (3-5-2) – Ivan Jurić
Andrei Radu; Davide Biraschi, Koray Günter, Domenico Criscito; Ervin Zukanović, Rômulo (66′ Miguel Veloso), Luca Mazzitelli (78′ Stephane Omeonga), Daniel Bessa, Darko Lazović; Christian Kouamé, Krzysztof Piątek (84′ Goran Pandev).
Unused: Russo, Vodisek, Lisandro Lopez, Lapadula, Rolon, Dalmonte, De Almeida, Picanico, Hiljemark.
Referee: Fabrizio Pasqua.