Rybakina has a good record overall—36-14—but she has just one title, hasn’t made the quarters at a major, and is out of the Top 10 for the first time in three years. Kostyuk has had it worse. After ...

At the same time, though, Bouzas Maneiro has been making her own, quieter breakthroughs of late. In the last two months, the 22-year-old from Spain has risen from No. 73 to No. 51, reached her first ...

Top-seeded Alexander Zverev of Germany led Francisco Cerundolo 6-4, 1-0 when the 14th-seeded Argentine retired because of an ...

Top-seeded Alexander Zverev advanced to an ATP Toronto Masters quarter-final against defending champion Alexei Popyrin as his fourth-round opponent Francisco Cerundolo was forced to retire with an ...