We both played a lot, so it's normal not to be at our best, but you never wish someone's tournament to end like this," Arnaldi said."We're doing such a good job in Italy I was injured not long ago but I'm giving all I have now."Cobolli showed similar composure to navigate tricky conditions and surge into his maiden grand slam semi-final with a 4-6, 6-4, 6-4, 6-4 win over fourth seed Felix Auger-Aliassime.Cobolli lost the opening set and came back from 1-3 down in the next when the playing conditions suddenly improved with the roof closed in anticipation of rain.He blew away his Canadian opponent in style before talking about the superstitious beliefs that have helped him in his run this year in Paris, including using 14-time champion Rafa Nadal's preferred locker room shower stall."I'm a little bit [superstitious], but not crazy," the 10th seed said