Rowena Cockayne from North London stands to lose around £100 a week when her benefits are capped in July.
The mother of two said she will not be able to pay her rent and will end up being evicted, "I don't know where I will be sent, even further away from my support network."
More top news
Very windy with gales possible
Strong performance from world number 100 meant Great Britain very nearly dominated day one of the competition.
As a promotion Black Friday is flawed. While it whips up demand and redistributes it the event doesn't obviously generate additional sales.