To finalise a knockout, simply click on the button at the top of the knockout page, Finalise Knockout. This will ask you to confirm that you're sure, so if you are then hit Ok and you're done! However, before finalising it's a good idea to make sure that:
We process masterpoints and subscription payments once a month, on or shortly after the 8th.
If you've made a mistake or get a late change of result then please contact the EBU immediately. It is much easier to fix things before we process the knockout than afterwards.