South Korea’s 2026 World Cup opener against the Czech Republic has sparked debate over head coach Hong Myung-bo’s starting lineup, with Son Heung-min’s position under scrutiny as Opta predicts a 2-1 Korean victory ahead of the June 11 clash.
South Korea’s 2026 World Cup opener against the Czech Republic has sparked debate over head coach Hong Myung-bo’s starting lineup, with Son Heung-min’s position under scrutiny as Opta predicts a 2-1 Korean victory ahead of the June 11 clash.
How the High Press Broke the Defense
Hong Myung-bo’s decision to deploy Son Heung-min as a central striker in the 4-2-3-1 formation has drawn mixed reactions from analysts. According to KBS News, the tactical shift aims to exploit the Czech Republic’s susceptibility to high-press transitions, a strategy validated by Opta’s pre-tournament xG (expected goals) model. “The data shows South Korea’s counter-pressing intensity could force turnovers in the final third,” said Opta analyst Lee Hae-jun. “But the risk is leaving Son isolated against a backline that ranks top-5 in low-block resistance.”
The Czech Republic’s defensive structure, anchored by defenders like Tomáš Kalas and Pavel Kadeřábek, has been rated 8.2/10 for low-block efficiency by football analytics firm Five Thirty Eight. South Korea’s midfield, however, holds a 56% possession advantage in head-to-head encounters since 2020, per the Korean Football Association’s internal data. This contrast has fueled speculation that Hong may adopt a 3-4-3 system to overload the flanks, a tactic that could maximize Son’s 12.3% target share in 2025-26 matches.
Why the Positional Debate Matters
The controversy centers on Son’s role as a ‘false nine.’ While his 1.85 xG per 90 minutes in the Bundesliga places him among Europe’s top 10% attackers, his positioning against the Czech Republic’s 4-1-4-1 setup could create spacing issues. “Son’s movement off the ball is critical,” said former South Korean international Lee Young-pyo, now a Sky Sports pundit. “If he drops deep to link play, it opens space for the wingers. But if he stays narrow, the midfield becomes a choke point.”

Historical context adds weight to the debate. In South Korea’s 2018 World Cup quarterfinal loss to England, Son’s lack of support in the final third led to a 0.6 xG deficit per 90 minutes, per Opta. This time, Hong has bolstered the squad with the acquisition of 22-year-old midfielder Kwon Chang-hoon, whose 78% pass completion rate in the J1 League suggests he could stabilize the midfield. However, Kwon’s 1.2 tackles per game fall short of the 2.1 average required for a 4-2-3-1 system, according to the J.League’s performance metrics.
Fantasy & Market Impact
- Son Heung-min: Fantasy value remains high due to his 1.34 points-per-game average in 2025-26, but his projected 65% game time against the Czech Republic could dip if Hong switches to a 3-4-3.
- Lee Kang-in: The Napoli star’s 14.2% assist rate in Serie A makes him a top 15 midfielder in fantasy rankings, but his 2.3 fouls per 90 minutes pose a risk in a high-pressing system.
- Czech Republic’s David Hledík: The West Ham forward’s 1.85 xG per 90 minutes in the Premier League makes him a viable underdog pick, though his 0.85 shots per game fall below the 1.2 average for top-tier forwards.
Head-to-Head Stats
| Category | South Korea | Czech Republic |
|---|---|---|
| Expected Goals (xG) per Match | 1.72 | 1.58 |
| Shot Conversion Rate | 14.3% | 13.8% |
| Pass Completion Rate | 79.1% | 81.4% |
| Key Passes per 90 Minutes | 2.1 | 1.9 |
| Defensive Duels Won | 5.3 | 5.8 |
The Tactical Crossroads
Hong’s selection of 23-year-old forward Cho Gue-sung as a backup to Son has raised eyebrows. Cho’s 1.4 xG per 90 minutes in the K League 1 outperforms the average for South Korean strikers, but his 0.9 aerial win rate lags behind the 1.3 average required for a target man. This decision reflects a broader trend in Asian football: prioritizing versatility over traditional roles. “The modern striker needs to be a dual threat,” said former Japan national team coach Javier Aguirre, now a consultant for the AFC. “Cho’s 12.1% dribble success rate gives Hong flexibility, but it’s a gamble against a team that ranks 3rd in intercepts per match.”

The Czech Republic’s tactical approach also merits scrutiny. Manager Jaroslav Silhavy has emphasized a 4-1-4-1 formation that allows midfielder Petr Ševčík to drop into a holding role, a strategy that could neutralize South Korea’s 11.2% high press success rate. However, Ševčík’s 1