Japan won by 42 runs
| event | Cook Islands in Japan T20I Series |
| this match | T20I |
| starts (venue) | Wednesday, 14 May 2025,09:30 |
| starts (GMT) | Wednesday, 14 May 2025,24:30 |
| Toss | Cook Islands won the toss and chose to Field |
| country | Japan |
| city | Kanto |
| venue | Sano International Cricket Ground |
| umpire | - |
| tv umpire | - |
| referee | - |
