International sports competitions have various formats, including round-robin, knockout, and league formats. The round-robin format allows all teams to compete against each other, ensuring a comprehensive assessment of performance. The knockout format, often used in tournaments, eliminates teams after a single loss, creating high-stakes matches. League formats can include both regular seasons and playoff systems, where top teams advance based on cumulative performance. These formats impact scheduling, viewer engagement, and overall competition dynamics, making significant contributions to the excitement of international sports.