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.

The four biggest tournaments in tennis cooperate to sustain their primacy. They're also constantly trying to one-up each ...

American tennis firebrand Danielle Collins delivered on her pledge to take a vacation in the Bahamas with her Australian Open ...

Young, vibrant personalities are part of On's foray into tennis sponsorships that feature young, charismatic athletes from ...

What California is to America, Australia has often been for tennis — the lab where new stuff goes for a test drive ...

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

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

Jannik Sinner sniffed out and exploited weakness in Alexander Zverev like a starving predator, pouncing for a straight sets ...

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

Jannik Sinner cruised to his second straight Australian Open title and third major overall, beating Alexander Zverev in a one ...

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