Toenail crisis.. help? D:?

So i hit my foot on the door and my the toenail on my big toe came off. It was bleeding so bad so I iced it and now it's a bit better. I play handball for the school team and I have to compete this wednesday. Is it possible for me to play? If not, what can I do to my toe to make it possible and not make it hurt when I play? HELP