Two friends from California, Learner Tien and Alex Michelsen, have both reached the fourth round at the Australian Open.

Novak Djokovic needed medical attention after accidentally getting knocked on the head by a water bottle after a win at the Italian Open.

Novak Djokovic took a little while to get going in his first match in nearly a month.

The U.S. Open's new review system allowing players to challenge certain calls, such as double bounces, has been used for the first time.

Coco Gauff has reached the U.S. Open quarterfinals for the first time by coming back in each set to beat Zhang Shuai of China 7-5, 7-5 in front of a partisan crowd at Arthur Ashe Stadium.

Rising star Carlos Alcaraz has saved a match point in the fourth set and erased an early deficit in the fifth to overcome Albert Ramos-Vinolas 6-1, 6-7 (7), 5-7, 7-6 (2), 6-4 at the French Open.

United States' Serena Williams makes a backhand return to Australia's Daria Gavrilova during a tuneup tournament ahead of the Australian Open tennis championships in Melbourne, Australia, Monday, Feb. 1, 2021. (AP Photo/Hamish Blair)MELBOURNE – Serena Williams found a silver lining in the delayed start to the Australian Open, the season-opening Grand Slam tournament that is starting three weeks later than usual because of the COVID-19 pandemic. Williams is playing in the Yarra Valley Classic, along with top-ranked Ash Barty and defending Australian Open champion Sofia Kenin. TIAFOE OUTCorentin Moutet of France won a tough first-round match over 2019 Australian Open quarterfinalist Frances Tiafoe, beating the American 3-6, 6-4, 6-4 at the Murray River Open. AdANDERSON ADVANCESTwo-time Grand Slam finalist Kevin Anderson opened the Great Ocean Road Open tournament with a 6-4, 7-5 win over 16th-seeded Feliciano Lopez of Spain.