The 2014 US Open will begin Monday at the USTA Billie Jean King National Tennis Center, where former champions Novak Djokovic, Andy Murray, Maria Sharapova and Venus Williams highlight the opening day of play Monday. This year's tournaments will begin on August 25 and end on Sept. 8 in New York City. Watch the event's live stream online free below.  

The US Open 2014 will be aired on Tennis Channel Live, and US Open Live will be live streaming the full tournament through its website. Meanwhile, ESPN and CBS will be broadcasting the events online through their respective websites at WatchESPN and CBSSports.com.

For mobile users, US Open is making the tournament available for all mobile devices, including Apple iOS iPad and iPhone, Android tablets, Blackberry smartphones. The apps can be accessed by clicking here.

In the men's singles event, the last second withdrawal of Nadal due to right wrist injury, past champion Roger Federer looks to elevate his game and add to his long list of major championships. Fans hope for a repeat of epic battles from the past  between No. 1 Djokovic and Roger Federer-or, that a new face breaks through into the top ranks of the sport. So, hold on to your hat.   

At this storied tennis stadium, this year's field brings different new contenders to this title.  Facing the East Side of New York with its unique skyline as a backdrop, the non-stop flights between New York, Bejing, Shanghai, Taiwan and Tokyo bring players, new levels of competitions and new fans to the US Open-hoping to see tennis history written before their own eyes .  The qualifying rounds feature new and upcoming players from all over the four corners of the globe.  From the North, Canada's No. 1 Player Milos Raonic (and his possee of die-hard fans) is only 45 minutes away from Toronto airport.  Competition from the West is always furious. 2013 Australian Open champion Stan Wawrinka is hungry to add another major to his resume.  At the practice courts, Andy Murray, John Isner and Jo-Wilfried Tsonga  are revving up for the games to begin!  

As curious as the Men's draw is for US men, the Women's draw still has the awesome Williams family. Serena seems recovered from her health issue and ready to add more gold to her trophy case. But, there are a host of front line competitors anxious to take her place.  

There is also news about the facility. The 2014 US Open has completed a first phase of improvements to its world class facility.  New seats have been added at the practice courts so fans can watch their favorite players without standing.  Other great news ----Beginning in 2016, New York tennis fan will no longer need to bring their wetgear and umbrellas on their subway rides to US Open. A retractable roof will be constructed over the Arthur Ashe Stadium and is expected to be complete for 2016-so the aggravating delays and impossible late matches will improve the already great spectator experience to an even greater level.   

The opening schedule for the tournament can be accessed here. Watch the US Open 2014 live stream online through the links above. 

[Editor's note: Jeffrey Huang contributed to the report.]