Kaka believes victory over Celtic in the Champions League on Tuesday could be the turning point for AC Milan in what has been a dreadful season so far.
They arrive in Glasgow in turmoil, with pressure from supporters mounting, dropping to 13th in Serie A after a run of five games without a win.
The Brazil midfielder knows things will not be easy for them at Celtic Park, but he feels it might just take one crucial victory to start them back on an upward curve.
"This is going to be a very difficult match but, by winning tomorrow, we could kick-start our season," Kaka said.
"We could even qualify if we win and the other result goes in our favour. This match could be a turning point in our season.
"It's definitely a challenge to put indifferent form and off-field problems to the side. We've got to try to have a good season and to do as well as we can on all fronts."
Kaka was one of the Milan players who spoke to furious fans outside the San Siro after their 1-1 draw with Genoa last weekend.
He added: "Speaking to the fans the other night wasn't a huge burden to me. It's not something I'm used to doing, but if I'm seen as one of the senior players in the squad then I have to get used to this type of responsibility.
"At this moment, the atmosphere is a little tense. But that's not bad sometimes. Sometimes it's a motivation, when you use this tension and pressure.
"We are always under pressure at Milan. We are seven matches now without a win and the pressure to end that bad run certainly gets more and more.
"This is an important match and we have to be mentally ready for it against what will be a difficult opponent."