Messi unleashes a left-footed shot from outside the box early on, but an Olympiacos defender blocks the effort before it can test the goalkeeper.

Driving forward in the attacking half, Messi draws a foul and wins a free kick for Barcelona as defenders struggle to contain his run.

Messi combines on the right and sets up Gerard Deulofeu, whose right-footed shot from the right side of the box is blocked by the defense.

After a headed pass from Paulinho, Messi fires a left-footed shot from the center of the box, but his effort is blocked by an Olympiacos defender.

Messi delivers a precise cross from a set piece situation that finds Sergio Busquets, whose header from the center of the box flies high and wide.

Messi threads a through ball into the box for Luis Suárez, whose right-footed shot from the center of the area is saved by the keeper.

Receiving the ball on the right side of the box from Gerard Deulofeu, Messi strikes with his left foot, but his shot is saved centrally by the goalkeeper.

Messi once again beats his marker in the attacking half and is fouled, earning Barcelona another dangerous free kick.

Messi drives at the Olympiacos back line, drawing a foul and securing a free kick in a promising position.

From the resulting free kick, Messi curls a sublime left-footed shot into the top left corner, doubling Barcelona’s lead.

Messi links up with Lucas Digne on the left, providing the assist as Digne drives a left-footed shot from the side of the box into the bottom right corner for Barcelona’s third.

Messi finds Luis Suárez in the center of the box, but Suárez’s right-footed shot is blocked by the Olympiacos defense.

Moments later, Messi himself has a left-footed effort from the left side of the six-yard box, but the goalkeeper saves it in the middle of the goal.

Set up by Luis Suárez, Messi takes on a left-footed shot from the left side of the box, but his attempt sails too high over the bar.

Late in the match, Messi makes another left-footed attempt from the left side of the six-yard box, only to see it blocked by a defender.