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Their third round meeting in the US Open will be the earliest the Williams sisters have ever played each other in a Grand Slam.

Rafael Nadal is the defending champion at the US Open which starts on Monday, but Djokovic is among the favorites to win the title.

One of Switzerland’s largest banks, Credit Suisse, has frozen roughly 5 billion Swiss francs ($5 billion) of money linked to Russia to avoid falling foul of U.S. sanctions, according to its accounts, further increasing pressure on Moscow.

Novak Djokovic won his 13th men's singles Grand Slam title at the Wimbledon Championships in July.

Novak Djokovic returned to the top-10 in the ATP men's singles rankings after winning the 2018 Wimbledon Championships.

Novak Djokovic's win at Wimbledon was his first of 2018 and only his fourth title since winning the French Open in 2016.

Former world number one Andy Murray has not played his loss in the quarterfinals at Wimbledon in 2017.

Roger Federer defeated Nick Kyrgios in three sets to reach the final of the Mercedes Cup.

Serena Williams withdrew from her French Open round of 16 match with Maria Sharapova due to injury.

Novak Djokovic progressed to the quarter-finals of the French Open with a straight set win over Fernando Verdasco on Sunday.

Serena Williams reached the third round of the French Open after coming from behind to defeat Ashleigh Barty.

Rafael Nadal faced Roger Federer four times in 2017 but lost on each occasion, with three of his defeats coming in finals.

Novak Djokovic achieved his best result of the 2018 season when he made the quarterfinals at the Italian Open where he will face Kei Nishikori.

Novak Djokovic is looking to bounce back at the Madrid Open after a poor 17 months with injuries and inconsistent performances.

Serena Williams returned to tennis action only recently after giving birth to her daughter in September last year.

Serena Williams last played at the Miami Open in March where she lost her opening round match to Naomi Osaka.

Roger Federer last featured at the Miami Open in March where he lost his opening round match to Thanasi Kokkinakis.

Serena Williams and Andy Murray could take part in their first Grand Slam of the year in Paris.

Rafael Nadal is gearing up to return to tennis action for the first time since the Australian Open at the Davis Cup.

Andre Agassi and Novak Djokovic's partnership was bound to fail, according to former Serbian Davis Cup coach Radmilo Armenulic.

Juan Martin del Potro took his unbeaten run to 15 wins as he advanced to the semifinals of the Miami Open after victory over Milos Raonic.

Roger Federer's unbeaten start to the season was ended by Juan Martin del Potro in the finals of the BNP Paribas Open.

Djokovic has been struggling with an elbow injury since 2017 and is set to make his third tournament appearance of the 2018 campaign.

Roger Federer will go into the Miami Open just 290 points ahead of world number two Rafael Nadal.

Roger Federer is aware that eventually he will have to make way for the younger players, but is happy to play at the top level for now.

Roger Federer will remain the world number one when the rankings are revised on Monday after entering the semi-finals at the BNP Paribas Open.

Rafael Nadal has failed to complete a single tournament in 2018 since suffering a hip injury at the Australian Open this year.

Federer defeated Jeremy Chardy in the fourth round to set up a clash with rising star Hyeon Chung in the quarter-finals of the BNP Paribas Open.

Serena Williams claims she would have preferred to play anybody else as she gets set to face her sister Venus in the third round at Indian Wells.