Groundstaff members work on the court Philippe-Chatrier during the men's singles first round match between Marin Cilic of Croatia and James Duckworth of Australia at the French Open Tennis Tournament 2018 in Paris, France on May 29, 2018. The match was postponed due to a rainfall and Marin Cilic leads 6-3, 5-4. (Xinhua/Chen Yichen)