Frances Tiafoe has reached the U.S. Open semifinals for the second time in three years when his quarterfinal opponent, Grigor Dimitrov, stopped playing because of an injury in the fourth set.

Danielle Collins had the perfect send-off at her final Miami Open, beating Elena Rybakina 7-5, 6-3 on Saturday to capture the title in her home state before an adoring crowd that included Andre Agassi and Martina Navratilova.

There are three American men in the U.S. Open quarterfinals for the first time since 2005.

The latest attempt to help pickleball find a footing on television is coming this weekend when Andy Roddick, John McEnroe, Andre Agassi and Michael Chang take part in a made-for-TV exhibition in Hollywood, Florida.

Novak Djokovic is playing about as well as can be at the Australian Open.

Hall of Fame tennis coach Nick Bollettieri has died at the age of 91.

Democrat Cisco Aguilar has been elected as Nevada’s next secretary of state.

The timing of it all hardly could be more symbolic: All within a span of two weeks, Serena Williams plays what is believed to be her last match at age 40, Roger Federer announces he’ll be retiring at 41, Iga Swiatek wins her third Grand Slam title at 21, and Carlos Alcaraz gets his first at 19.

Roger Federer is leaving tennis after more than two decades as a pro player with a style that rarely betrayed the effort behind his mastery.

Roger Federer has announced his retirement at age 41 after participating in some of the most memorable matches in the history of Grand Slam tennis.

Frances Tiafoe calls his run to the U.S. Open semifinals ‘a Cinderella story.

Tennis has not always allowed coaches to coach.

Rafael Nadal outlasted Spanish teenager Carlos Alcaraz, 6-4, 4-6, 6-3 to reach the BNP Paribas Open final and improve to 20-0 this year.

Iga Swiatek rallied from a break down in each set to beat Simona Halep 7-6 (6), 6-4 and reach the final of the BNP Paribas Open.

Novak Djokovic and coach Marian Vajda are no longer working together.

To some, it seems a cloud has been lifted from the Australian Open.

A couple decades ago, convincing investors that they could make money by helping underserved communities was a hard sell.

After reaching the U.S. Open final last year with no fans, Victoria Azarenka appreciates playing in front of people again.

How well do you know the U.S. Open tennis tournament.

There are four American men in the French Open's third round for the first time in 25 years: John Isner, Reilly Opelka, Stevie Johnson and Marcos Giron.

There are no American men in the ATP's Top 30 for the first time in the nearly half-century of ATP computerized tennis rankings.

Italian Jannik Sinner has advanced to the Miami Open final by beating Roberto Bautista Agut in three sets.

This combination photo shows the cover of "All In: An Autobiography" by Billie Jean King, left, and King posing for a portrait on June 4, 2015, in New York. Alfred A. Knopf announced Thursday, March 4, 2021, that the book will be published Aug. 17 and will cover the highlights of King's celebrated and groundbreaking tennis career. (Knopf via AP, left, and AP)NEW YORK – Billie Jean King has a memoir coming this summer, and she calls it a journey to her “authentic self.”Alfred A. Knopf announced Thursday that “All In: An Autobiography” will be published Aug. 17. She was married to Larry King (no relation to the late broadcaster) for more than a decade before being outed in 1981. King published a memoir in the early 1980s, “Billie Jean King: The Autobiography,” but says she rushed it out at the urging of her then-manager, who was concerned about her finances in the wake of her outing.

The last American man to win a Grand Slam tournament was Andy Roddick at the U.S. Open in 2003, and there's no sign the drought will end anytime soon. “But I don’t see it being what it once was ever again.”AdOpelka, for one, isn’t surprised the United States has the same number of seeded men in Melbourne as, say, Bulgaria or Norway. The United States has four seeded women in Melbourne, including Kenin and Serena Williams. That’s a challenge, because those kids want to play basketball and football.”The United States Tennis Association has inner-city programs in more than 250 locations. Opelka (ranked 38th), Fritz (ranked 31st), Tommy Paul (53rd) and Frances Tiafoe (64th) are all 23 and good friends who root for each other.