Russia's Karen Khachanov reached his first Grand Slam semi-final at the US Open on Tuesday with a 7-5, 4-6, 7-5, 6-7 (3/7), 6-4 win over Australian firebrand Nick Kyrgios.

Frances Tiafoe said his days of flying under the radar were over after his stunning fourth-round upset of Rafa Nadal at the US Open on Monday.

Spaniard Carlos Alcaraz defeated 2014 champion Marin Cilic 6-4, 3-6, 6-4, 4-6, 6-3 in one of the latest ever finishes at the U.S. Open on Monday to set up a next generation quarter-final clash against Jannik Sinner.

Frances Tiafoe believes a new generation of players are ready to take over from tennis's "Big Three" after his stunning upset of Rafael Nadal at the US Open on Monday.

Rafael Nadal admitted Monday that he wasn't sure when he will return to action after Frances Tiafoe condemned him to his earliest US Open exit since 2016.

Rafael Nadal fell to his earliest US Open loss in six years on Monday when he was knocked out by Frances Tiafoe while Iga Swiatek became the first Polish woman to reach the quarter-finals.

Just when tennis fans thought Nick Kyrgios had run out of ways to surprise them, the Australian came up with another bizarre shot during a rally against Daniil Medvedev at the U.S. Open on Sunday.

Australian tennis great Margaret Court says her admiration for Serena Williams is not reciprocated after the American retired just one major short of equalling her all-time record of 24 Grand Slam singles titles.

Danill Medvedev said Nick Kyrgios is playing at such a high level that he merits comparison with Grand Slam heavyweights Novak Djokovic and Rafael Nadal.

Australia's Nick Kyrgios sent defending champion Daniil Medvedev tumbling out of the US Open on Sunday as US teenager Coco Gauff reached the quarter-finals for the first time.

Sexual abuse of young female players by older male coaches happens "right and left" on the WTA Tour and safeguarding against it must be a priority, Victoria Azarenka said at the U.S. Open on Saturday.

Serena Williams could easily walk off the court and into the broadcast booth if she wants to, pocketing a handsome paycheck and boosting ratings for a sport that is losing star power, those in the business say.

Rafael Nadal defeated close friend Richard Gasquet for the 18th time to reach the US Open fourth round on Saturday as world number one Iga Swiatek made the last 16 for a second successive year.

Serena Williams said she wanted to be remembered as a fighter and was proud of the impact she had on tennis as she most likely dropped the curtain on her historic career at the U.S. Open on Friday.

World number one and defending champion Daniil Medvedev ended the dream US Open run of China's Wu Yibing on Friday to set-up a blockbuster last-16 clash against Nick Kyrgios.

Serena Williams' dreams of a fairytale finish to her glittering career were dashed on Friday as the tennis icon was sent crashing out of the US Open by Australia's Ajla Tomljanovic.

Fiery Australian Nick Kyrgios has been fined $7,500 for "spitting and audible obscenities" during his second-round win at the U.S. Open on Wednesday, tournament organizers told Reuters.

Rafael Nadal overcame a freak injury scare when he accidentally hit himself with his own racquet to reach the US Open third round on Thursday.

The U.S. Open turned over Arthur Ashe Stadium to the Williams sisters on Thursday for a prime-time first round doubles match that could have been Serena's last after the pair fell 7-6 (5), 6-4 to the Czech duo of Lucie Hradecka and Linda Noskova.

World number one Daniil Medvedev maintained his strong start to his U.S. Open title defence on Wednesday, dispatching France's Arthur Rinderknech 6-2, 7-5, 6-3 in the Arthur Ashe Stadium to reach the third round.