After a tightly-contested match, Juventus take a valuable lead into the second leg. Despite Martinez putting the Nerazzurri in front on nine minutes.
Ronaldo levelled the score from the spot 17 minutes later following intervention from VAR.
The Portuguese attacker added his second shortly after, rounding Handanovic to punish a defensive mix-up.
Although Conte’s side pressed for an equaliser in the second half, they could not break down Juventus, who held on to claim a first-leg victory.
Player ratings
Inter Milan:
Handanovic (5),
Young (4), Darmian (5), De Vrij (6), Skriniar (6), Bastoni (3),
Vidal (6), Brozovic (6), Barella (6),
Alexis (6), Lautaro (7).
Bench: Perisic (6), Eriksen (6), Sensi (5), Pinamonti (5).
Juventus:
Buffon (7),
Sandro (6), Demiral (7), De Ligt (7), Cuadrado (8),
Rabiot (7), Bentancur (7), McKennie (7),
Ronaldo (9), Kulusevski (7), Bernardeschi (7).
Bench: Danilo (6), Arthur (6), Morata (6), Chiesa (6), Chiellini (5).
