File photo taken on June 9, 2019 shows the trophy of men's singles final at French Open tennis tournament 2019 at Roland Garros, in Paris, France. French Tennis Federation (FTT) confirmed on Wednesday that 2020 French Open tennis tournament, which had been re-scheduled from Sept. 20 to Oct. 4 because of the COVID-19 outbreak, was postponed again from Sept. 27 to Oct. 11. The preliminaries will be held from Sept. 21 to Sept. 25. (Xinhua/Gao Jing)