Cardiff Blues fly-half Nicky Robinson says they must bounce back from the disappointment of Saturday's draw with Leinster to face Ospreys on Wednesday.
The Blues let a 10-3 half-time lead slip to finish 16-16 in their Magners League opener against the champions.
Robinson said: "The boys that played on Saturday are bitterly disappointed, but we've got to put that behind us.
"The Ospreys are going to step up and a tough challenge and we have to prepare for that and look forward to it."
Robinson, who dropped two goals against Leinster, added: "The Ospreys game is going to be a really tough challenge.
"We've got a strong squad - we recruited well over the summer and I'm sure will use that this week.
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"Perhaps we looked to push passes a bit too much. It was the first game of the season and everyone was a bit edgy.
"Unfortunately we couldn't get that try that would probably have put us clear and given Leinster no way back.
"A try after the break would probably have put us clear. Our defence was strong and Leinster really didn't look like scoring and had a bit of a lucky break with their try.
"But their defence was strong and they held us out. Rustiness may have played a part.
"We played a few pre-season friendlies, but there's nothing like the pressure of a league game.
"But we've got to take a lot of positives from it. Leinster came with a strong team and we pushed them hard.
"Obviously we're disappointed, but they were probably a lot happier coming away with a draw than we were."
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