Inter Milan performed poorly in Serie A and Coppa Italia matches with the sole aim of winning the Champions League. They wanted to focus entirely on the Champions League title, a trophy that has eluded them since 2010. Because of this, the team lost to AC Milan in the Coppa Italia and failed to win the Serie A title. Inter Milan was only 1 point behind Napoli, how tragic!
Inter Milan is desperate to win the Champions League title. However, there is no chance to underestimate their opponent, PSG are equally hungry for their first Champions League triumph. Under Luis Enrique, PSG has already proved its strength by grabbing multiple domestic titles. Barcola, Doué, & Achraf Hakimi made a strong unbreakable attacking lineup. Simone brings experience & a rich European pedigre, while Enrique's gang are hungry to make history with their first Champions League win.
Inter Milan have a better season, there performance in the Serie A is not bad because they managed to finished second, and you know how hard it is to win the Serie A title back to back, therefore, your statement of saying that they performed bad is wrong mate because they fight for the League title until the final day, and they lost to Napoli that has no Champions League football pressure from the beginning of the season.
The Champions League title is what every teams is dreaming of winning, Inter Milan is just like any other team that are aiming to be the champions this season, all there efforts towards the Champions League was because they had bigger and toughest opponents in the quarter and semifinals of the Champions League, and now they made it to the finals, they need to put in their best to win the Champions League even though many people are counting out because PSG is the favorite to win the Champions league this season.