Novak Djokovic has moved into the third round of the U.S. Open as he tries to complete a calendar-year Grand Slam and collect a 21st major championship.

Daniil Medvedev was struggling so much with the suffocating heat and humidity in the Olympic tennis tournament that at one point the chair umpire asked him if he could co...

French Open finalist Anastasia Pavlyuchenkova grasped for an air tube during a medical timeout and grew frustrated at the lack of ice in a court-side container.