The Blues are set to face off against German giants Bayern Munich in the last 16 of the Champions League.
And despite the pedigree of the Munich club, Kovacic thinks they benefit from playing in a slightly easier league.
"They have a great team, and they are playing well," Kovacic said in a pre-match press conference.
"Their league is not as tough as the Premier League, so for sure they will be more rested than us.
"We will prepare to hurt them a lot."