OCTOBER 23-26, 2025 | SAPPORO, HOKKAIDO, JAPAN
Pre-registration has ended
A credit card or PayPal account is required for registration.
Please note that cancellations and refunds are not accepted after registration.
In order to register, you must have an email address that you can receive.
For Registration from clubs, districts, and travel agencies, an Excel file in the specified format is required.
You can register up to 50 people at a time. If you need to register more than that, please do so in multiple batches.
The Excel file format can be downloaded from here.
For Registration from clubs, districts, and travel agencies, an Excel file in the specified format is required.
You can register up to 50 people at a time. If you need to register more than that, please do so in multiple batches.
The Excel file format can be downloaded from here.
Please check the following page for the participant registration venue.
Details on the registration process will be updated as needed, so please check regularly.
Oseal2025 Participant Registration Venue
Details on the registration process will be updated as needed, so please check regularly.
Oseal2025 Participant Registration Venue
Transfers, subleases, or assignment of rights after registration are not possible within the system.
If there is an error in the registered information, you can correct some details on the registration details page.
You can check your order and registration details.
To access this page, you will need your registered email address.