Internacional vs Flamengo RJ Prediction: 21.08.2025 Copa Libertadores

The Copa Libertadores Round of 16 pits two Brazilian giants against each other as Internacional welcome Flamengo RJ to Estádio Beira Rio, Porto Alegre. With the first leg ending in Flamengo’s favour, Internacional enter this second leg needing a resurgence. This is a matchup rich in narrative: Flamengo have marked themselves as the dominant force in recent months while Internacional, under Roger Machado, aim to overturn both a recent head-to-head deficit and find answers to break a resilient Flamengo setup. A crucial 0-1 loss in the first leg means Internacional need both tactical bravery and clinical finishing to progress. In these high-pressure ties, fine margins and individual quality often have the final say.

Two key players to watch will be Rafael Borré for Internacional, who found the net in the recent Brasileiro clash with Flamengo and remains a constant threat in transition, and Pedro for Flamengo RJ, whose four goals in his last six games reflect the kind of big-game ruthlessness the visitors will bank on. Notably, goalkeepers Sergio Rochet (Internacional) and Agustín Rossi (Flamengo RJ) both come into this tie following solid showings expect shot-stopping to play a critical role.

Statistically, Flamengo’s shot volume stands out: 107 total shots over their last five games, underlining their offensive intent and capacity to keep opponents under relentless pressure in the final third. Such attacking dynamism is a testament to Filipe Luís’ flexible approach and the technical depth within this squad.

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Internacional vs Flamengo RJ prediction

Given current form and recent matchups, Flamengo RJ are deserved favourites. Their 78% win rate in the last month and 65% annual win rate, combined with back-to-back wins over Internacional (1-0 away, 3-1 at home), tip the momentum firmly toward the visitors. Internacional’s recent run just three wins from their last nine speaks to a team struggling to find balance at this elite continental stage.

Flamengo’s 4-2-3-1 brings both flexibility and attacking verve, while Internacional tend to mirror that shape but have suffered from defensive lapses and a higher foul count (99 fouls in five matches, more than double Flamengo’s 41). In high-stakes knockout football, discipline and tempo often decide the outcome. Flamengo’s lower yellow card count and superior pass accuracy (83% vs 78%) signal tactical composure a vital edge in managing transitions and nullifying Internacional’s attempts to press or counter.

Team Analysis

Internacional: Coming into this contest, Internacional have struggled to impose themselves offensively. Their last match a narrow 1-3 defeat by Flamengo RJ exposed both vulnerability during transitions and the need for more cutting edge up front. While they did win against Bragantino 3-1 earlier, that was their only win in the past five, with losses against Sao Paulo and draws against Fluminense compounding a pervasive lack of rhythm. Fouls and disciplinary issues also persist, with 15 yellows in five games, reflecting a tendency to disrupt rather than control the midfield.

Flamengo RJ: The visitors are in outstanding shape. Their 3-1 away and 1-0 home wins over Internacional recently highlight a tactical blueprint that thrives on compactness in midfield and swift, direct attacks. Pedro is in prolific form, Gonzalo Plata is chipping in with goals and assists, and their ability to outshoot, outpass, and generally outmaneuver opponents (4055 passes, 83% accuracy, just six yellow cards in five games) gives them a structurally sound platform to manage high-pressure moments. Their last game against Mirassol (2-1 win) further illustrated their attacking quality and adaptability in breaking stubborn lines.

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🚨Read our full Internacional vs Flamengo RJ stats for more analysis.

Pre-game odds and win probability: Flamengo RJ the favourite

• Moneyline Internacional 3.40 | Flamengo RJ 2.40
• Draw 2.96
• Over/Under Over 2.5 2.10 | Under 2.5 1.75
• BTTS (both teams to score) Yes 2.05 | No 1.80

Bookmakers favour Flamengo RJ, and rightly so: their away win in Porto Alegre earlier this season and overall statistical dominance tilt probability to the visitors (39% win chance). The draw is also a strong possibility (32%), reflecting Internacional’s home advantage and ability to make games tight. Internacional’s goal-drought in recent big matches, combined with Flamengo’s defensive solidity and discipline, make Under 2.5 goals and “No” for BTTS especially attractive given the tactical trends.

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Possible Starting Lineups

Rochet starts in goal for stability. On defense, Mercado and Bernabéi provide experience and ball progression, while Aguirre and Ferreira Júnior fill out the defensive line. The midfield five balances energy and control, with Alan Patrick offering both goal threat and creativity. Borré spearheads the attack, seeking to break Flamengo’s line with his movement. Expect Internacional to stick to a 4-2-3-1 formation, aiming for numbers in midfield to stifle Flamengo’s transitions. Alan Patrick and Borré are the main men to watch if Internacional are to progress, it is likely to come through their individual moments of quality.

Flamengo RJ possible starting eleven

Rossi comes in with outstanding recent form. The defensive line, anchored by Leonardo Pereira, is composed and technically secure. In midfield, Jorginho and Saúl Ñíguez provide control and tempo; De Arrascaeta adds unlocking flair. Up front, the trio of Bruno Henrique, Plata, and Pedro is as dynamic as it gets in South America expect constant rotation, pressing, and penetration. Flamengo will line up in their familiar 4-2-3-1 but with the flexibility to adapt quickly, a strength that has defined their season. Pedro and Plata are undoubtedly the key threats.

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The Verdict

Flamengo RJ have been simply outstanding in 2025. International’s form and discipline issues cast significant doubt on their ability to overturn the deficit, especially given Flamengo’s organized structure and confidence on the road. My prediction: Flamengo RJ to progress, likely through another controlled, low-scoring performance. I’d back Flamengo Draw No Bet as the most valuable betting angle, with Under 2.5 goals in play due to the hosts’ lack of firepower and visitors’ defensive solidity. The battle for midfield supremacy and execution in both boxes will be decisive expect Flamengo’s composure to make the difference.

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