The largest World Cup in history commenced today with a match between Mexico and South Africa. This opening game marks the beginning of the tournament, anticipated by fans globally. Details regarding the location and specific timing of the match were not provided in the source text. The event is being hailed as the biggest World Cup to date, though the reasons for this designation remain unspecified. Further coverage will detail the competition's schedule, participating teams, and potential outcomes. This initial match sets the stage for weeks of international competition and sporting excitement. The tournament promises to draw significant global attention.