The defeat to Atletico Madrid could be a valuable lesson for Ancelotti. I think Don Carlo already understands what he has to do when facing Girona. Girona is still capable of appearing quite strong, but their progress will soon be stopped by Real Madrid.
It was quite surprising to see Girona who is currently at the top of the standings after playing seven matches at the start of this season with six wins and one draw. I also think that Real Madrid will soon take the top position from Girona in tomorrow's match even though Girona will play quite well in front of their own fans, but this time's opponent really makes Girona think as best as possible so that they can continue to stay at the top of the standings.
Regarding tactics, Carlo Ancelotti probably won't change his tactics much, perhaps he will still give Joselu and Rodrygo a place in front and Bellingham behind them. But it is possible that Ancelotti will make other experiments to make his tactics difficult for the Girona coach to learn. It will be interesting to look forward to this match.
A change in tactics could occur for Real Madrid in order to be able to trick their rivals or opponents in tomorrow's match, because this time Real Madrid must be able to play as well as possible in order to displace Girona from the top of the standings. So a change in tactics could happen, and Carlo Ancelotti will also look at the placement of players when there is a change in tactics because Real Madrid doesn't have more players on the front lines such as strikers.