Hard-serving John Isner was broken a total of once through his first three French Open matches. His opponent Sunday, Tomas Berdych, needed all of one game Sunday to equal that total, breaking Isner at love to begin their fourth-round encounter. The 10th-seeded Isner failed in his bid to become the first American man in the quarterfinals at Roland Garros since Andre Agassi in 2003, losing serve once in each set of a 6-4, 6-4, 6-4 defeat against No. 6 Berdych of the Czech Republic. There is one woman from the United States left in singles at the French Open: No. 15 Sloane Stephens, who faces No. 4 Simona Halep of Romania in the fourth round Monday. More...