Hello Alex,
On Monday, there is the registration, practice, and the first tournament round for Botball and Open. I don't know from which team you are a member, but you will have to discuss that with the rest of your team if they can spare you on Monday during this critical tournament round. Of course, you will also have to discuss that with your teacher!
Best Regards,
Christoph Hackenberger
ECER 2023 Organisation