Juventus defender Leonardo Bonucci says they go into Friday's clash with Napoli determined for three points.
The defender wrote a message to the supporters on his official website.
"Getting the victory against a good Siena side was crucial," he said of Sunday's 3-0 triumph.
"Now we have a six-point advantage over Napoli and it must give us confidence for the trip to the San Paolo.
"We are going to Napoli in order to win and play our most important game of the season. That is our objective, to be Juventus.
"As always, may the best man win."