The former Manchester United keeper believes Monday's home tie at the Amex Stadium is as good a chance as ever to reach the last eight.
"For us, this is a big chance," Kuszczak told the Argus.
"We are playing at home against a good team but a team which is struggling a little bit in the Premier League.
"They are going to make some changes as well and that will give us a chance.
"If we manage to beat Hull, you never know what might happen.
"This year we have performed well in this competition."
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