After rain led to the cancellation of all matches outside of the roof-covered Arthur Ashe Stadium on Tuesday, the tournament looks to make up for lost time with a busy schedule featuring 87 matches.
While the year's final grand slam is just underway tennis fans have circled Sept. 8 when, if all goes to form, Nadal and Federer would meet to decide a place in the final.
Britain's world number two Andy Murray pulled out of the US Open on Saturday, citing a hip injury.
Milos Raonic has withdrawn from the US Open due to a persistent wrist injury but plans to return to the Tour later in the year, the Canadian said on late on Wednesday.
American great John McEnroe expects Roger Federer's sensational comeback season to continue in New York when the US Open kicks off on Monday.
Formula One world champion Lewis Hamilton took pole position for the Canadian Grand Prix on Saturday with Mercedes team mate Nico Rosberg qualifying alongside him on the front row.
Federer's pullout from Cincinnati hands number one spot to the Spaniard
The 29-year-old former French Open finalist failed the out-of-competition test in February after a urine sample was found to contain letrozole - a substance used in the treatment of breast cancer which is also on the banned drug list of the World Anti-Doping Agency (WADA).
Roger Federer says he does not regret passing up the chance to topple great rival Rafael Nadal from the top of the world rankings at the ATP Finals in London this week.
World number four Stan Wawrinka has withdrawn from this month's Rogers Cup in Montreal and the Western & Southern Open in Cincinnati due to a knee injury, the Swiss said on Wednesday.
Jo-Wilfried Tsonga hit Roger Federer with an unpleasant Wimbledon flashback on Thursday, brushing aside the Swiss maestro 7-6, 4-6, 6-1 to book his place in an unlikely quarter-final line-up at the Montreal Masters.
Rafa Nadal fluffed his lines on the return from five-week break when the Spanish world number two was stunned 1-6, 7-6, 7-6 by unheralded Croatian Ivan Dodig in his opening match of the Montreal Masters on Wednesday.
World number two Caroline Wozniacki breezed to a 6-3, 6-2 victory over Vera Zvonareva in the final of the rain-hit Montreal Cup on Monday, confirming her status as the red-hot favourite for the US Open.
Svetlana Kuznetsova thrashed China's Zheng Jie 6-1, 6-3 to become the first player through to the semi-finals of the Montreal Cup on Friday.
Kim Clijsters raced into the quarter-finals of the Montreal Cup with a ruthless 6-2, 6-1 demolition of Kaia Kanepi on Thursday, sending a menacing message to anyone eyeing the Belgian's US Open crown.
Former World No 1 Dinara Safina celebrated her return to Stade Uniprix with a 6-3, 6-3 win over Germany's Andrea Petkovic at the Montreal Cup on Monday and declared herself 100-percent pain-free after a horror run of injuries.
Mahesh Bhupathi and Mark Knowles eased into the semifinals of ATP Montreal Masters after scoring a 6-3 6-4 win over the Polish pair of Mariusz Frystenberg and Marcin Matkowski.
Shapovalov made the world take note of him with his shock win over Rafael Nadal at the Montreal Masters. He then became the youngest player to reach the fourth round of the US Open, only his second Grand Slam, last week.
'The boys have hit a lot of balls and are feeling good, so we are looking forward to the weekend' The Indian team, which had a week-long training camp in New York before reaching Edmonton, is set to make a fourth consecutive attempt to qualify for the elite World Group.
A summary of sports events and sports persons, who made news on Saturday
Fernando Alonso left the Brickyard on Sunday without a fairytale victory to cap his Indy 500 adventure but had no regrets as he prepared to return to his Formula One day job with McLaren.
Force India driver Adrian Sutil is still rankled by the missed opportunity in Montreal where, he reckons, a top five finish was well within the realm of possibility but for the contact with Robert Kubica which left him with a punctured tyre.
Fernando Alonso declared himself back in the Formula One title race on Sunday after finishing third in a Canadian Grand Prix that left Ferrari team mate Felipe Massa cursing his misfortune. The Spaniard has struggled to keep pace with Red Bull and McLaren since winning the opening race of the season in Bahrain but believes he is back in business after finishing behind McLaren's Lewis Hamilton and Jenson Button in Montreal.
Rediff.com presents the early surprises at the year's final Grand Slam
Images from Day 2 at the US Open played at Flushing Meadows in New York on Tuesday
Summary of sports events and persons who made news on Tuesday
With the physical demands of modern-day tennis taking its toll the tournament will start without four of the top 11 in the ATP rankings including defending champion Stan Wawrinka who ended his season early with a knee injury.
Here are some of the best moments from the 'event-of-a-lifetime.
Rafael Nadal was made to wait before his second-round Rogers Cup match due to several rain delays but did his part to put the schedule back on track with a speedy 6-2 6-3 win over Frenchman Benoit Paire on Wednesday.
'How do you expect me to tone down my anger when the most prominent culture in India today is the culture of corruption, in every sphere of life?'
In this excerpt from a conversation with Samik Bandopadhyay, Mrinalda discusses three legendary actors he has worked with.
Madison Keys beat fellow American CoCo Vandeweghe for the second time in eight days with a 6-4, 3-6, 6-3 victory on Monday to reach the second round of the Cincinnati Open.
Roger Federer reached the Rogers Cup semi-finals on Friday after coming to the net early and often in a straight sets victory over Roberto Bautista Agut on a windy day in Montreal.
McLaren's Lewis Hamilton can make amends for his ill-disciplined Monaco weekend with a Montreal win on Sunday, even if Red Bull's Sebastian Vettel is the man with the momentum.
The doctor said that the US president is borderline obese.
Russia's anti-doping agency (RUSADA) still has significant work to do to get its suspension lifted, the World Anti-Doping Agency said on Monday.
Top seed Jelena Jankovic's US Open chances continued to dim with a listless 7-6, 6-3 loss to 75th-ranked Czech Iveta Benesova in her opening match at the Montreal Cup on Tuesday.
Frenchman Jo-Wilfried Tsonga staged a spectacular third set comeback to stun world number one Roger Federer 7-6, 1-6, 7-6 on Friday and reach the semi-finals of the Montreal Masters. Juan Martin Del Potro ended Nadal's Montreal title defence with a clinical 7-6, 6-1 win.
Rafael Nadal finally put his knees through a full workout with an energetic 6-3, 6-2 third round win over Germany's Philipp Petzschner capped by an on-court victory dance at the Montreal Masters on Thursday. Sidelined for more than two months with tendonitis in both knees, Nadal could not hide his delight at being back on centre court, the muscular Mallorcan bounding and dancing around Stade Uniprix to wild applause after his 66-minute workout.
Roger Federer pointed to a little ring rust rather than the joys of becoming a new dad after beating Frederic Niemeyer 7-6, 6-4 on Tuesday to reach the third round of the Montreal Masters. In his first match since lifting a record 15th Grand Slam singles title at Wimbledon, much has changed in a few weeks for Federer, who arrived in Montreal with his wife Mirka, new born twin daughters Charlene Riva and Myla Rose and a nanny in tow.