Fritz is far from the only player on the ATP Tour who is unhappy with the quality of tennis balls over the past few years.

Zheng Qinwen has made a coaching addition as the world No. 7 is bringing in 2002 French Open champion Albert Costa ahead of ...

World No. 1 Jannik Sinner defended his Australian Open title on Sunday, comfortably defeating Alexander Zverev 6-3, 7-6(4), 6 ...

Jannik Sinner probably can't wait to get the fourth Grand Slam in the cabinet at Roland Garros. The 23-year-old will be ...

Jannik Sinner, right, of Italy holds the Norman Brookes Challenge Cup after defeating Alexander Zverev of Germany in the ...

Follow reaction as Sinner retained the championship with a brilliant showing against three-time major final loser Zverev on ...

Madison Keys of the United States has upset two-time defending champion Aryna Sabalenka of Belarus 6-3, 2-6, 7-5 in the ...

MELBOURNE, Australia — Jannik Sinner beat Alexander Zverev 6-3, 7-6 (4), 6-3 in the Australian Open final at Melbourne Park ...

Madison Keys, who captured her first Grand Slam title last month in Melbourne, has not played since her title run Down Under.

The women's tennis player, who charmed the world when she won the Australian Open, reflects on her victory and the work and ...

MELBOURNE, Australia (AP) — Get caught up on the Australian Open with a guide that tells you everything you need to know about how to watch the year’s first Grand Slam tennis tournament ...