Park participated in the 2006 FIFA World Cup. Park drew a crucial free kick that led to a red card for Jean-Paul Abalo, and Lee Chun-soo finished the chance with the equalising goal in the first Group G match, a 2–1 win over Togo. Park scored the equalising goal in the second Group G match against eventual finalists France and was voted man of the match. However, South Korea lost 2–0 against Switzerland in the last group match and failed to advance into the knockout stage.