South Korea will play Czechia in their opening match of the 2026 FIFA World Cup on June 11 [1].

The match marks the start of a massive international tournament co-hosted by Mexico, the U.S., and Canada. As the opening day events, these matches set the competitive tone for the expanded global competition and highlight the logistical coordination between the three North American nations.

The opening ceremony and the first set of matches are scheduled to take place in Mexico City, Mexico [1], [2]. This location serves as the primary hub for the tournament's launch, adhering to the agreed-upon schedule for the tri-nation hosting arrangement [3].

South Korea's pairing against Czechia is a key early fixture of the event [4]. While some reports have suggested different matchups for the South Korean team later in the group stage, the June 11 kickoff in Mexico City is the established start for the squad [1].

The 2026 tournament is designed to be the largest in history, utilizing venues across the continent to accommodate a growing number of participating teams. By starting the festivities in Mexico City, organizers aim to leverage the deep footballing culture of the region to energize the global audience from the first whistle [3], [5].

Teams have spent months preparing for the specific conditions of the host cities. For South Korea, the transition to the high altitude of Mexico City represents a significant physical challenge that the coaching staff must manage before they face the Czech side [2].

South Korea will play Czechia in their opening match of the 2026 FIFA World Cup on June 11.

The decision to launch the 2026 World Cup in Mexico City emphasizes the tournament's distributed nature across three countries. For South Korea, starting the competition against Czechia in a high-altitude environment tests their physical endurance and tactical adaptability immediately upon arrival, potentially impacting their momentum for the remainder of the group stage.