Today, June 10, is the last day of silence before the grand kick-off. Tomorrow, June 11, at 10:00 PM Kyiv time, the starting whistle will blow at the legendary Azteca Stadium in Mexico City, launching the biggest World Cup in football history. Mexico vs. South Africa — the match that will open a tournament featuring 48 teams, 12 groups, and 104 games. The intrigue of the first day goes beyond the result: it lies in the tone that Group A will set for the entire tournament bracket going forward.
Group A: Hosts Under Azteca Pressure
Group A consists of Mexico, South Africa, South Korea, and the Czech Republic. On paper, the favourite is obvious: the tournament hosts backed by an 87,000-seat stadium. But tournament logic is rarely that straightforward.
Mexico enters the tournament in decent form: eight consecutive unbeaten matches in 2026, including wins over Ghana (2:0), Australia (1:0), and Serbia (5:1). Coach Javier Aguirre has built the team around a compact defensive block, a central midfield anchored by Edson Álvarez, and the attacking potential of Raúl Jiménez. The Azteca is a genuine 12th player, and Aguirre's experience in major tournaments means El Tri are unlikely to be rattled emotionally.
South Africa, by contrast, arrive in Mexico City as underdogs. Coach Hugo Broos had a troubled preparation: a goalless draw with Nicaragua and a 1:1 with Jamaica in closed friendlies left the manager dissatisfied. Bafana Bafana are returning to the World Cup for the first time since 2010 — when they hosted the tournament themselves. Now they must play on foreign soil, at altitude, in front of a hostile crowd.
There is also a symbolic dimension: exactly 16 years ago, these two sides already opened a World Cup — in Johannesburg, where they drew 1:1. That result cost South Africa progression from the group on goal difference. Now the roles are reversed: Mexico is the host, South Africa the visitor. But the memory of that match lives on in both camps.
The second Group A match — South Korea vs. Czech Republic — takes place on the same day, June 11, at 5:00 AM Kyiv time in Guadalajara. This clash will determine which of the two contenders for second place immediately gains a psychological edge. The Koreans with Son Heung-min and the Czechs with Patrik Schick — both teams are capable of matching Mexico, so the group's opening round could prove far tighter than it looks on paper.
A Format That Changes Everything
The 2026 World Cup is the first tournament with 48 teams split into 12 groups of four. The top two teams from each group advance to the knockout stage, along with the eight best third-placed sides. This means that even a third-place finish is not a death sentence: a team simply needs to avoid a heavy defeat and keep an eye on results in other groups.
That is precisely why the tournament arithmetic at this World Cup is especially fascinating. A team that loses its first match is not yet in crisis — but it is already obliged to count points and goal difference from matchday one. For Mexico, a defeat in the opening game would mean not only a psychological blow but also real pressure heading into matches against South Korea and the Czech Republic.
Three Scenarios After Day One
Scenario 1: Mexico win, South Korea win. The most likely outcome based on current form. Mexico top the group with three points, South Korea close behind. South Africa and the Czech Republic are under pressure from the very first round, and their head-to-head in matchday two (June 18) becomes a high-stakes encounter.
Scenario 2: A draw in the opening match. If South Africa manage to hold the score — and they do have pacey wide players capable of playing on the counter — Group A immediately becomes unpredictable. Three points for South Korea (or the Czech Republic) in the parallel match would put the winner of that game at the top of the group before matchday two even arrives.
Scenario 3: A Bafana Bafana upset. Unlikely, but not far-fetched. South Africa finished above Nigeria in CAF qualifying, and their quick wide forwards can exploit any error in the Mexican defence. A South Africa win would rewrite the entire logic of the group and instantly turn Mexico into a team that "must" win their next two matches.
What to Watch Tomorrow
The first matchday will answer the key question: can Mexico live up to their status as hosts and Group A favourites, or will the 2026 World Cup hand us its first upset right away? Watch how Aguirre sets up his press in the opening 30 minutes — that is where it will be decided whether South Africa can execute their counter-attacking model. And the parallel South Korea vs. Czech Republic match in Guadalajara at 5:00 AM could quietly turn out to be the most important game of the opening day.