Yes - each ticket is sold to an individual and can be issued only to the holder, so ID is required as proof that you own that ticket. Furthermore, if we cannot verify your age then you will be given an under 18s wristband, which has implications for access to the bar and to any 18+ tournaments. The bar also retains the right to ask you to provide ID when ordering drinks, even if you display an 18+ wristband. 

Here's the info on the type of ID we can accept.