The ATP rankings have been updated and we'll be keeping track of every player inside the top 10 ahead of the Australian Open.

Australian Open women's champion Madison Keys returned to her career-best ranking on Monday and joins three other American ...

Alexander Zverev says he is feeling down and emotional after once again coming within one win of earning his first Grand Slam ...

Novak Djokovic pledged to continue his hunt for a record 25th Grand Slam title as he processed the disappointment of retiring ...

There are six American men and five American women in the third round. Tommy Paul, Coco Gauff and Jessica Pegula all play Thursday. No. 17 Frances Tiafoe, a two-time U.S. Open semifinalist, was upset ...

Novak Djokovic celebrated a slice of Grand Slam history on his way into the Australian Open ... Alexander Zverev also ...

Learner Tien, a 19-year-old from California, became the youngest American man to reach the Australian Open's third round ...

Learner Tien has become the youngest American man to reach the Australian Open’s third round since Pete Sampras in 1990 ...

The second round of the Australian Open continues on Wednesday, Jan. 15 and into Thursday, Jan. 16.

The 19-year-old has now won five of his last seven matches against the elite with his victory over the world No. 6.

This was, in some ways, a significant moment for Naomi Osaka, a four-time Grand Slam champion who once reigned atop women's ...

Teenage tennis sensation Jakub Mensik, ranked 48th, delivered a stunning upset at the Australian Open, defeating sixth-seeded ...