The men’s side of the French Open was hit with a surprise Friday morning. Italian Matteo Arnaldi, who had made his first career Grand Slam semifinal and was set to play fellow countryman Flavio Cobolli for a place in the final, abruptly pulled out of his match this morning, shortly before it was slated to begin on Philippe-Chatrier. Arnaldi came down with a virus on Thursday night and was still feeling unwell on Friday. Arnaldi’s retirement automatically sent his friend Cobolli into his first