Overview
- Head coach Hong Myung-bo named a 26-man squad on Aug. 25 for matches against the United States on Sept. 7 in Harrison, New Jersey, and Mexico on Sept. 10 in Nashville, Tennessee.
- Castrop, 22, received his first senior call-up after FIFA approved his switch from Germany to South Korea earlier this month.
- Born in Dusseldorf to a German father and Korean mother, the midfielder previously represented Germany from Under-16 to Under-21 level.
- Now with Borussia Mönchengladbach, he made his Bundesliga debut earlier in August after spells at FC Köln and 1. FC Nürnberg.
- Hong praised Castrop’s growth and “fighter-like, rugged” style, plans to test a three-back system, and included Europe-based regulars such as Son Heung-min, while Castrop’s military service status remains unresolved.