Two sides emerging from distinctly underwhelming pre-season campaigns meet on the opening weekend of the Primeira Liga season, with Estoril holding a marginal edge in recent form. The hosts score 3.33 out of 10 on Formatic's weighted form index, while Arouca sit at 2.22, a gap of 1.11 that tells its own story about preparations that have fallen flat on both sides. Neither has found rhythm in their warm-up fixtures, yet the contrast in recent output gives Estoril a platform to build from.

Estoril's pre-season yielded 1 win, 2 draws and 2 defeats across their last 5 outings, managing 5 goals scored and 6 conceded. They found the net in 3 of those 5 matches and kept clean sheets in 2, including a 0-0 draw at home to Torreense in their most recent friendly. Before that came a 0-2 reverse away to Alverca and a 3-0 home win over Atlético CP, the latter representing their only convincing display of the summer. Their final two competitive fixtures of the previous campaign saw them lose 1-3 at home to Benfica and draw 1-1 away to Alverca, a mixed bag that extended into the off-season without significant improvement.

Arouca's preparations have been even more tentative. Their last 5 matches produced 1 win, 2 draws and 2 defeats, with 4 goals scored and 6 conceded. They managed to score in only 2 of those 5 outings but did secure clean sheets in 2, all four of their pre-season friendlies finishing without an Arouca goal. A 0-3 defeat away to Santa Clara was followed by successive 0-0 draws away to Famalicao and Feirense, then a 1-2 loss away to Rio Ave. Their solitary win came in their final competitive fixture before summer, a 3-1 home victory over Tondela, but that feels a long way removed from the struggles that followed. Across their 6-match sample this calendar year, Arouca averaged 12 shots per game, 3.7 on target, with 51.8 percent possession and 1.13 expected goals. They failed to score in 40 percent of those matches and kept clean sheets in 30 percent, numbers that underline both defensive solidity and chronic attacking limitation.

The head to head record across the last 10 meetings is tight, Arouca edging it with 5 wins to Estoril's 4 and 1 draw. Those encounters averaged 3.8 goals per meeting, with both teams scoring in 7 of 10 and over 2.5 goals landing in 6 of 10. The most recent 5 itemised fixtures have swung wildly: Arouca won 3-2 in April 2026, Estoril took a seven-goal thriller 4-3 in November 2025, a 1-1 draw followed in March 2025, then Estoril won 4-1 in October 2024 before Arouca claimed a 1-2 victory in January 2024. The pattern suggests open games and fragile defending, traits both sides have carried into their summer work. With Estoril holding the clearer pre-season goal threat and Arouca's attack misfiring through four consecutive blanks, the hosts carry the stronger case for an opening-day result, even if neither arrives in sharp condition.