The Copa del Rey round of 16 brings an intriguing single-leg clash between Deportivo Alavés and Rayo Vallecano at Mendizorroza. With only three points separating them in the league standings, this encounter promises to be tightly contested. Both teams arrive with contrasting dynamics: Alavés looking to rediscover consistency after a difficult run, and Rayo hoping to extend their recent positive momentum. The stakes are high, as a place in the quarter-finals awaits the winner.

Deportivo Alavés: Home Strength and Cup Consistency

Deportivo Alavés approach this fixture after a 3-1 defeat against Villarreal on January 10, a result that highlighted their current inconsistency. In their last five matches, they have recorded one win, one draw, and three losses, averaging 0.8 goals scored and 1.8 conceded per game. Despite these struggles, their Copa del Rey campaign has been impressive so far, with three wins from three matches, scoring an average of 3.7 goals per game and conceding none.

At home, Alavés have built a reputation for low-scoring affairs. In fact, Under 3.5 goals have been recorded in 20 of their last 21 home fixtures, showing a clear trend of tight defensive performances. Their recent results include a 1-0 victory over Real Sociedad and a 1-1 draw against Oviedo, but also defeats against top-tier opponents such as Real Madrid and Barcelona. The team’s ability to stay compact and disciplined in front of their fans could be crucial in this knockout tie.

For this match, Alavés are expected to line up with a 4-1-4-1 formation, emphasizing defensive balance and quick transitions. The likely starting eleven includes Sivera; Jonny, Tenaglia, Pacheco, Parada; Blanco; Vicente, Ibáñez, Guridi, Aleñá; and Toni Martínez. This setup aims to provide stability while allowing creativity from midfield to support the lone striker.

Rayo Vallecano: Away Challenges and Offensive Potential

Rayo Vallecano come into this match on the back of a 2-1 win over Mallorca on January 11, continuing a solid run that has seen them collect three wins, one draw, and one defeat in their last five games. During this period, they have averaged 1.8 goals scored and 1.4 conceded per match. In the Copa del Rey, Rayo remain unbeaten, with two wins and one draw, averaging 3.3 goals scored and 1.0 conceded per game.

However, their away form in the league has been less convincing. Rayo have failed to score in their last four league matches on the road, losing three and drawing one. This goal drought of 360 minutes away from Vallecas is a worrying sign ahead of a trip to a ground where Alavés are traditionally difficult to break down. Historically, Rayo have dominated recent head-to-head meetings, winning four of the last five encounters, including a 1-0 home victory in October 2025. Yet, their attacking efficiency away from home remains a major concern.

For this cup tie, Rayo will be without Abdul Mumin, who continues his recovery from a serious knee injury. The expected starting lineup features Batalla; Espino, Lejeune, Mendy, Chavarría; Díaz, Valentín; De Frutos, Isi, Álvaro García; and Carlos Martín. This combination offers width and pace, but the visitors will need to be more clinical if they are to progress.

Match Analysis and Tactical Overview

Both teams enter this knockout battle with contrasting strengths. Alavés rely on their defensive structure and home advantage, while Rayo Vallecano bring more attacking flair but struggle to replicate their form away from home. The balance of play is likely to favor a cautious approach from both sides, especially given the single-leg format and the importance of avoiding mistakes.

Statistically, the matchup points toward a low-scoring affair. Alavés’ home games rarely exceed three goals, and Rayo’s recent away fixtures have been marked by offensive inefficiency. The historical data also supports this trend: the last five meetings between these sides have averaged just 1.4 total goals per game. Given these patterns, a tight and tactical contest is expected, with both teams prioritizing defensive solidity over attacking risk.

Probable Lineups Deportivo Alavés vs Rayo Vallecano

DEPORTIVO ALAVÉS (4-1-4-1): Sivera; Jonny, Tenaglia, Pacheco, Parada; Blanco; Vicente, Ibáñez, Guridi, Aleñá; Toni Martínez.
RAYO VALLECANO (4-2-3-1): Batalla; Espino, Lejeune, Mendy, Chavarría; Díaz, Valentín; De Frutos, Isi, Álvaro García; Carlos Martín.

Deportivo Alavés vs Rayo Vallecano Prediction

Considering the recent form and statistical trends, this Copa del Rey encounter is expected to be a closely fought and low-scoring match. Deportivo Alavés have shown defensive resilience at home, while Rayo Vallecano have struggled to find the net on their travels. Both sides are likely to adopt a cautious approach, minimizing risks and waiting for counterattacking opportunities.

Deportivo Alavés vs Rayo Vallecano prediction by BetMines:
Under 2.5 goals with 55% probability.