Sevilla welcome Rayo Vallecano to open their La Liga campaign with a clear advantage in preparation, registering 5.56 out of 10 on Formatic's weighted form measure against the visitors' 2 out of 10. That gap of 3.56 points separates two sides whose pre-season programmes have told contrasting stories, and while both have taken just 2 wins from their last 5 outings, the quality of those results and the momentum heading into the competitive season point firmly in one direction.

The hosts closed last term with a 1-0 defeat at Celta Vigo in May but have since strung together a friendlies programme that included a 1-0 home win over Juventud Torremolinos and a 2-1 home victory against AD Ceuta FC in their most recent outing on 26 July. Between those successes came a goalless draw at Cordoba and a narrow 1-0 reverse at Cracovia Krakow, leaving Sevilla with 3 goals scored and 3 conceded across the 5 fixtures. They kept clean sheets in 2 of those matches and found the net in 2, a modest attacking return but one built on defensive organisation that will suit a league opener. The balance in those numbers, combined with the steady form rating, suggests a side entering the season without flair but with structure intact.

Rayo Vallecano's preparations have been shakier. Their 2 wins both came in competitive La Liga action in May, a 2-1 victory at Alaves on 23rd followed by a 2-0 home success against Villarreal on 17th, but since then the summer has brought 3 straight defeats. They lost 1-0 at Crystal Palace in the UEFA Europa Conference League on 27 May, then fell 2-1 at Heart Of Midlothian on 17 July and 2-1 again at Feyenoord on 26 July in friendlies. Across those 5 matches they scored 6 and conceded 6, managing just 1 clean sheet but finding the net in 4 of the 5. The goals flow at both ends, but the trend since competitive football ceased has been one-way traffic, and a poor rating of 2 out of 10 reflects a side arriving in unconvincing shape.

The head to head record over the last 10 meetings shows Sevilla with 4 wins to Rayo Vallecano's 1, the other 5 finishing level. The clubs have shared the points in their most recent encounter, drawing 1-1 in March 2026, and also played out a 1-1 stalemate in March 2025. Before that, Sevilla claimed a 1-0 home win in November 2024, a narrow 1-0 away success in September 2025, and a 2-1 victory at Rayo Vallecano in February 2024. Across those 10 fixtures the average is 2.1 goals per meeting, both teams have scored in 6, and only 3 have crossed 2.5 goals. The pattern is one of tight, low-scoring affairs often decided by a single goal, and Sevilla's ability to edge them has been consistent.

With the hosts holding a 3.56-point form cushion and a dominant recent record in this fixture, the arithmetic favours a Sevilla result in a match unlikely to produce a glut of goals. The defensive solidity they showed in 2 clean sheets from 5 and Rayo Vallecano's inability to stop the rot in pre-season point to a home win built on control rather than spectacle. The 2.1-goal average in the head to head and the 3-in-10 over 2.5 record suggest the under on total goals carries value, while Sevilla's 4 wins from the itemised 5 meetings underline their edge in a fixture that has rarely strayed far from a one-goal margin.