Yet there has been contrasting fortunes for the sides ever since, with Wayne Pivac's men still firmly within the hunt for a GUINNESS PRO12 top-six finish, while the Blues currently lie in tenth.
And having impressed with five tries in 18 GUINNESS PRO12 appearances this season, the 22-year-old Wales international is confident his side can maintain their recent form at Parc y Scarlets next Sunday.
"Playing with the players here, and the style the boys want to play, has brought my confidence up leaps and bounds," Robinson told the club website.
"We're looking to finish the season strongly and finish in sixth and kick on for next season.
"We're definitely looking forward to the last home game of the season. They got one over on us before Christmas and we're looking forward to getting our own back.
"Beating the Dragons quite well last weekend has given us a confidence boost but we've always been quite confident because we know what we can do if we show up and play the rugby we want to play.
"It's about crossing the t's and dotting the i's on the day, getting the little things right and big things will happen."
Follow us on Facebook, join the conversation on Twitter, sign up to our YouTube channel for extensive match highlights and sign up for our newsletter for regular updates on the GUINNESS PRO12
63x46.png){kind=logo}