"We have to go there (Singapore) without any fear and we have to be brave. This is the only way to beat these kind of teams, in this case Tampines Rovers, to make history," Roca told PTI here.
In a historic encounter, the BFC, which became the first Indian club to qualify for AFC Cup quarterfinals, beat Tampines with a solitary goal struck by striker C K Vineet inside ten minutes in the first of the two-leg quarterfinal on September 14 here.
Ringing a note of caution, Roca said it would be tough to beat Tampines in their backyard.
"We know they have nothing to lose after losing to us 1-0. They will try to embarrass us. It will not be that easy for us. I am sure that in one week we will be ready for that again and we will try to pass the next round," he said.
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Nevertheless, Roca said his team was confident of beating Tampines.
"We also know that our potential can trouble them. We have to be positive. We know that we can beat them," he said.
"Everybody is really focused on that. There is no question about their professionally. I am really happy about how they have trained until now," he said.
"From the beginning they have accepted all the changes because they are open to that. They know that each coach has his own mentality and philosophy of the game," he said.