Postpone.
Hi, if you have problems to be here only at 21.30, we could play at 22.00 - 22.15 if you are here. If not then see u in next days
I propose on monday at 21.30 , 1 hour after the regular matchday, we both have it at 20.30.
You wrote me in Facebook, lets continue the conversation in there.
We agreed to play tonight at 22.00 cet