http://www.wargear.net/tournaments/view/1251

..but it looks like I've declined - (maybe I hit the wrong button - it is placed in a position where it is quite easy to do..

nevertheless, I'm unable to rejoin - when I click on an empty seat - I get nothing.

Trying to join Team Waterloo

Scratch that..

I figured out a workaround - I had to start a new team - then leave the tournament.. then quit my team and come back to join the team I wanted to be on.