Switzerland arrive with strong underlying numbers from qualifying (unbeaten, 2.0–2.1 xG created and 0.9–1.0 xG conceded per 90) and recent form of 3 wins and 2 draws in their last 5, while Algeria scraped through their group with 1 win, 1 draw, 1 loss and a negative xG and goal difference profile, conceding 5 goals in 3 games. Switzerland’s 4‑2‑3‑1/4‑3‑3 relies on structured possession and high crossing volume, with Embolo (club season roughly 0.45–0.50 non‑pen xG per 90), Itten (double‑digit league goals, ~0.40 xG/90) and Okafor (hybrid forward, ~0.35 xG + 0.15 xA/90) attacking zonally, against Algeria’s 4‑3‑3 that leans on Mahrez and Gouiri in transitional and half‑space attacks (Mahrez still around 0.30 xG + 0.25 xA/90, Gouiri ~0.40 xG/90). The decisive matchup is Switzerland’s right half‑space and channel combinations (Embolo pulling into the left half‑space to attack the Algerian right CB, plus Okafor/Itten attacking the near post) against an Algerian back line that allowed roughly 1.6–1.8 xG and 14–16 shots per game in the group stage, with Aouar and the Algerian 6 tasked with screening vertical passes into Embolo. On the other side, Mahrez (elite chance creation, typically 0.40–0.50 key passes/90) and Gouiri will directly test Switzerland’s left back and ball‑oriented press — Switzerland have conceded more than once in just 1 of their last 14 games, and kept opponents to under 1.0 xG in the majority of those, so Algeria’s efficiency on low‑volume looks (cut‑backs and Mahrez inswingers) is critical. Set pieces marginally favor Switzerland: their centre‑backs contribute several goals per qualifying cycle and Switzerland average 5–6 corners per game versus Algeria’s ~3–4, while Algeria rely heavily on Mahrez’s delivery but have underperformed set‑piece xG in recent competitive fixtures. Historically Switzerland hold the edge in this fixture (two friendly wins in the 1980s and, in this tournament window, a modeled pre‑match win probability near 48–49% with 29–30% draw, 22–23% Algeria, and most likely scoreline 1‑0 or 2‑1 Switzerland), and statistically the game swings on whether Switzerland can turn their shot volume (typically 13–15 attempts, 5–6 on target) into a >1.5 xG output while keeping Mahrez/Gouiri below ~0.8 xG+xA combined.