Flamengo delivered a strong performance and secured an important 1-0 victory over Grêmio, away from home, in the sixth round of the Brazilian U-20 Championship. Josmar scored the game's only goal in the 36th minute. The match was played in intense heat at the Airton Ferreira da Silva Stadium in Eldorado do Sul, in the Porto Alegre metropolitan area.

The first dangerous plays occurred in the 15th and 19th minutes of the game. Grêmio had a shot from the edge of the area, well blocked by Da Mata. For Flamengo, Daniel Sales crossed dangerously towards the goal and the goalkeeper parried it away. In the 20th minute, the striker from the Rio Grande do Sul team was one-on-one with the goalkeeper, but Leo Nannetti made the save and João Victor prevented another shot.

In a play between Daniel Sales and Sayago, the right-back crossed into the area, Ryan Roberto picked up the rebound from the goalkeeper and almost scored in the 33rd minute. The goal came three minutes later. Pablo stole the ball and passed to Ryan Roberto, who shot from outside the area; the goalkeeper made a partial save, and Josmar finished into the net. Grêmio threatened in the 44th minute with a low cross from the right.

Just three minutes into the second half, Daniel Sales broke into the area on the right and shot across goal, wide to the left of the goalkeeper. Flamengo came back pressing high, and came close again, this time with Reyes, who passed to Josmar who shot wide to the right of the goal in the 8th minute. Grêmio attacked with a long-range shot in the 15th minute, which was safely saved by Leo Nannetti.

At 20 minutes, the Flamengo defense prevented the opponent's shot from reaching the goal. Two minutes later, Falcone took a free kick from midfield. João Victor headed the ball, and the Grêmio goalkeeper parried it away. The Grêmio number 1 saved Flamengo's second goal by catching a shot from Ryan Roberto, who received a beautiful pass from Jhefinho, at 30 minutes.

After a play by Ryan Roberto, Sayago shot from outside the area in the 37th minute; the goalkeeper parried the shot, and Victor Hugo scored on the rebound, but the referee ruled it offside. Following that, Rafinha went down the left flank, passed to Johnny who shot, forcing another save from the opposing goalkeeper. The team from Rio Grande do Sul still tried for an equalizer with a dangerous low free kick, and Leo Nannetti made a beautiful save in the 42nd minute. The referee blew the final whistle after six minutes of added time.