The fifth round of the 2025/26 UEFA Champions League featured another key match, with Real Madrid, playing away, defeating Olympiacos 4-3 thanks to Kylian Mbappé scoring four goals.

Three minutes into the match, Real Madrid created an attacking opportunity. Vinicius Jr. received the ball and surged into the edge of the penalty area before unleashing a long-range shot, but it was saved by Olympiacos goalkeeper Tsorakis. In the 7th minute, Olympiacos won a free kick. Daniel Podence took the free kick and shot directly, but the ball went over the post.

In the 8th minute, Ayub Kabi passed the ball to Chiquinho, who unleashed a long-range shot from the edge of the penalty area, giving Olympiacos a 1-0 lead. In the 17th minute, Arnold took a corner kick, but the ball was caught by Olympiacos goalkeeper Tsorakis.

In the 22nd minute, Vinicius Jr. played a long pass, and Mbappe received it before entering the penalty area and firing a long-range shot into the net, helping Real Madrid equalize the score at 1-1. In the 24th minute, Gueller received a through ball from Arnold and chipped it into the penalty area, where Mbappe headed the ball into the net, giving Real Madrid a 2-1 lead over Olympiacos.

In the 29th minute, Camavinga made a long pass from midfield, Mbappe received the ball, entered the penalty area, and slotted it home, giving Real Madrid a 3-1 lead over Olympiacos. In the 32nd minute, Vinicius Jr. received a pass from Mbappe and curled a shot into the net, but after VAR intervention, it was determined that Mbappe was offside, and the goal was disallowed.

In the 38th minute, Chuameni received a cross from Valverde at the edge of the penalty area and fired a long-range shot, but the ball hit the post. In first-half stoppage time, Olympiacos launched an attack, with Ayoub Kabi heading the ball, but it was saved by Real Madrid goalkeeper Lunin.

At the start of the second half, Real Madrid substituted Ceballos for Camavinga. In the 47th minute, Mbappe played a through ball to Vinicius, who turned and fired a long-range shot, but the ball went wide of the post.

In the 52nd minute, Santiago Heze received the ball and chipped it into the box, where Taremi headed it in, making it 2-3 for Olympiacos. In the 60th minute, Vinicius Jr. evaded his marker in the penalty area and passed back to Mbappe, who immediately slotted home to extend Real Madrid's lead to 4-2.

In the 81st minute, Strefeza delivered a cross from the left wing, and Ayub Kabi headed the ball into the net, making the score 3-4 for Olympiacos.

Ultimately, Real Madrid defeated Olympiacos 4-3 away from home.