Usually the match specifies how many rated games you must have played before
you can join! Right now you only have 5 probably it might be ten . . .
All of them are loses . . .
Try joining matches from a group but even then you will need more rated daily games . . .
They want players that will finish the matches and have a rating.
Even though I have been with chess.com for a week.You are currently unable to join this match. In order to protect matches, players who are new to Chess.com must be active on the site before they can join. Once your account is a little older and you have played more games, you will be eligible to play.