| Country | Chess tournament name | Start | End |
|---|---|---|---|
 |
Pre-SEA Games FIDE Chess 2025 | 2025-07-08 | 2025-07-08 |
|
Pre-SEA Games ASEAN Chess 2025 | 2025-07-07 | 2025-07-07 |
|
Pre-SEA Games Makruk Chess 2025 (Standard Category) | 2025-07-05 | 2025-07-06 |
|
Pre-SEA Games Makruk Chess 2025 (Rapid Category) | 2025-07-07 | 2025-07-07 |
|
Pre-SEA Games Makruk Chess 2025 (Blitz Category) | 2025-07-06 | 2025-07-06 |