Luis Romo did what Mexico’s xG suggested might not happen: he found the net in a game where both teams created surprisingly little despite South Korea controlling the ball. His 50th-minute finish settled a tight World Cup group-stage meeting at Estadio Akron on Thursday, giving Mexico a 1-0 win and a perfect six points from two matches. South Korea, who dominated possession at 58% and finished with a higher xG (0.69 to 0.48), are left to regroup with three points ahead of the final group game.

Key Moments
- 4′, Lee Kang-In picked up the first yellow card of the night for a foul, giving South Korea an early disciplinary concern that would shadow their approach for the rest of the half.
- 50′, Luis Romo broke the deadlock five minutes into the second half, scoring a normal goal to give Mexico the lead they would protect for the rest of the match.
- 57′, South Korea responded immediately with a double substitution, bringing on Son Heung-min to replace Jae-Sung Lee as manager Myung-Bo Hong tried to inject more attacking threat.
- 58′, Paik Seung-Ho was booked for a foul, South Korea’s second yellow card of the game, adding to the frustration building on the Korean bench.
- 71′, Mexico withdrew Romo and Brian Gutierrez in a double change, protecting the lead while South Korea also made two further substitutions in search of an equalizer.
Tactical Breakdown
Mexico set up in a 4-3-3 under Javier Aguirre and were content to sit off the ball. They finished with just 42% possession and attempted only 429 passes, a figure that tells the story of a team defending their lead for long stretches. But they were efficient when it mattered: four shots on goal, three goalkeeper saves required from Kim Seung-gyu, and a clean sheet. Their defensive shape held South Korea to just two shots on target despite facing nine total attempts.
The turning point came at the 57th minute, when Myung-Bo Hong turned to Son Heung-min from the bench. The move signaled intent but Son and the fresh legs around him could not unpick a Mexico backline that had now kept three clean sheets across two group games with zero goals conceded in the standings. Mexico’s own double substitution at 71 minutes, replacing Romo with the job done, showed Aguirre prioritizing defensive stability over chasing a second goal.
South Korea generated the better attacking numbers on paper, 0.69 xG versus Mexico’s 0.48, but six offsides and an inability to convert possession into clear chances exposed a fundamental problem. With 58% of the ball and 579 passes attempted, they knocked it around without threatening Raul Rangel, who needed only two saves. Discipline was also an issue: two yellow cards in the space of 54 minutes disrupted their rhythm and made clean challenges harder to win.
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Verdict
Mexico sit top of the group with six points and a goal difference of plus-three after two games, having conceded nothing across both matches. They are through to the Round of 32. South Korea, on three points in second place, still have work to do in their final group game to secure their own progression, with Czechia and South Africa both on one point and breathing down their necks.