Valencia coach Jose Bordalas says his players are up for their meeting with Cadiz.
Bordalas is confident they go into the game in top shape.
He said, "We have faced each other in the cup, and that game wasn't without difficulty. They created quite a few problems for us and we had to make a big effort to get through to the semifinal. They had even reserved players then, because they had an important LaLiga game with salvation at stake.
"They are going to be difficult opponents and they just beat Villarreal. They have been doing things well and want to get a good result. We have to have a great game if we want to win.
"The team are excited, and we are confident that we will have a good game to achieve victory."