US Open 2019: latest news, videos and analysis

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NEW YORK, NEW YORK - SEPTEMBER 08: Rafael Nadal of Spain celebrates with the championship trophy during the trophy presentation ceremony after winning his Men's Singles final match against Daniil Medvedev of Russia on day fourteen of the 2019 US Open at the USTA Billie Jean King National Tennis Center on September 08, 2019 in the Queens borough of New York City. (Photo by Matthew Stockman/Getty Images)

Rafael Nadal: Story of a tennis legend

Spain's 19-time grand slam champion Rafael Nadal comes from a sporting family and it's shaped his life and how he plays the game.

BIRMINGHAM, ENGLAND - JUNE 18: Naomi Osaka of Japan celebrates victory in her first round match against Maria Sakkari of Greece during day two of the Nature Valley Classic at Edgbaston Priory Club on June 18, 2019 in Birmingham, United Kingdom. (Photo by Jordan Mansfield/Getty Images for LTA)

Naomi Osaka braves the CNN quickfire challenge

Two-time grand slam winner Naomi Osaka knows how to face a big-time tennis match, but can she see off CNN's quirky quickfire challenge?

Serbia's Novak Djokovic holds the winner's trophy during the presentation after beating Switzerland's Roger Federer during their men's singles final on day thirteen of the 2019 Wimbledon Championships at The All England Lawn Tennis Club in Wimbledon, southwest London, on July 14, 2019. (Photo by Daniel LEAL-OLIVAS / AFP) / RESTRICTED TO EDITORIAL USE (Photo credit should read DANIEL LEAL-OLIVAS/AFP/Getty Images)

Novak Djokovic's path to greatness

16-time grand slam winner Novak Djokovic had a tough path to becoming a champion - from the streets of Serbia during the Kosovo War of the 90s to the biggest stages of tennis.

LONDON, ENGLAND - JULY 14: Novak Djokovic of Serbia celebrates winning the Men's Singles final against Roger Federer of Switzerland during Day thirteen of The Championships - Wimbledon 2019 at All England Lawn Tennis and Croquet Club on July 14, 2019 in London, England. (Photo by Shaun Botterill/Getty Images)

Novak Djokovic reflects on Wimbledon victory

Novak Djokovic explains why his 2019 Wimbledon victory over Roger Federer was the toughest mental challenge of his career.

LONDON, ENGLAND - JULY 16: Roger Federer of Switzerland celebrates victory with the trophy after the Gentlemen's Singles final against Marin Cilic of Croatia on day thirteen of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club at Wimbledon on July 16, 2017 in London, England. (Photo by Julian Finney/Getty Images)

Wimbledon: The original grand slam

Wimbledon is an English tradition - with its strawberries and cream and grass courts - and the original grand slam. But what makes it so special?

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Roger Revealed: Time with tennis great Federer

In this half-hour World Sport special, Christina Macfarlane sits down with tennis legend Roger Federer and others to speak about the Swiss maestro.

TOPSHOT - US player Serena Williams poses with the winner's trophy, the Venus Rosewater Dish, after her women's singles final victory over Germany's Angelique Kerber on the thirteenth day of the 2016 Wimbledon Championships at The All England Lawn Tennis Club in Wimbledon, southwest London, on July 9, 2016. / AFP / GLYN KIRK / RESTRICTED TO EDITORIAL USE (Photo credit should read GLYN KIRK/AFP/Getty Images)

Serena Williams' quest for a 24th grand slam

Serena Williams will forever be remembered as one of the greatest athletes of all time, but the hunt for a 24th grand slam singles title drives her.

Candi Gauff, the mother of United States' Cori "Coco" Gauff applauds as she plays United States's Venus Williams in a Women's singles match during day one of the Wimbledon Tennis Championships in London, Monday, July 1, 2019. (AP Photo/Tim Ireland)

Coco Gauff's mom: It felt as if her dreams were coming true

Cori "Coco" Gauff's mother, Candi, describes her reaction when Gauff beat her idol, Venus Williams, in a match at Wimbledon.

MIAMI GARDENS, FLORIDA - MARCH 22: Cori Gauff serves to Daria Kasatkina of Russia during the Miami Open Presented by Itau at Hard Rock Stadium March 22, 2019 in Miami Gardens, Florida. (Photo by Matthew Stockman/Getty Images)

Cori "Coco" Gauff on the Williams sisters

Cori "Coco" Gauff tells CNN's Christina Macfarlane about how she grew up idolizing the Williams sisters: Venus and Serena.

Meet Cori Gauff, the 15-year-old who beat Venus Williams

15-year-old tennis prodigy Cori 'Coco' Gauff, the youngest woman ever to qualify for the draw at Wimbledon, took down Venus Williams in the first round.

Rafael Nadal lifts the French Open trophy for the 12th time after his four-set victory over Dominic Thiem in Paris.

Will Nadal pass Federer for grand slam wins?

Rafael Nadal's 12th French Open title took him to just two grand slams behind Roger Federer's mark of 20. But who will end their career with more majors?