Australian Open 2013: Updated Betting Lines for Men's Singles Winner

We are just two days into the 2013 Australian Open, and though the top of the men's singles draw still looks untouchable, there have already been a few upsets a little further down the list, as three of the top 25 men's singles players in the world have been defeated in their first round matches.

Now that handicappers have taken a look at the top players in the draw and have seen how they are playing—and how they are adjusting to the sweltering heat—there has been some movement on the odds for the tournament's top players. Novak Djokovic is unsurprisingly still the overwhelming favorite to defend his title, with Andy Murray and Roger Federer not too far behind. After the three competing members of the Big Four, Juan Martin Del Potro, David Ferrer, Jo-Wilfried Tsonga and Tomas Berdych are each given a decent chance to stage an upset at Melbourne. 

The men's game has become notoriously top-heavy in recent years, with the Big Four of Djokovic, Federer, Nadal and Murray not only winning 30 of the last 31 Grand Slams, but also 23 of the last 25 Masters tournaments. With Nadal's nagging health concerns and Federer's advancing age, some believe that for the first time in years, the opportunity exists for someone outside of the Big Four to win a Grand Slam, and that the Australian Open is the most likely opportunity for a new champion to be crowned. 

RANK	PLAYER	ODDS
1	Novak Djokovic	10/11
2	Roger Federer	5/1
3	Andy Murray	11/4
4	Rafael Nadal	Withdrew-Injury
5	David Ferrer	25/1
6	Tomas Berdych	50/1
7	Juan Martin Del Potro	16/1
8	Jo-Wilfried Tsonga	40/1
9	Janko Tipsarevic	80/1
10	Richard Gasquet	200/1
11	Nicolas Almagro	200/1
12	Juan Monaco	Defeated-1st Round
13	John Isner	Withdrew-Injury
14	Marin Cilic	200/1
15	Milos Raonic	80/1
16	Gilles Simon	500/1
17	Stanislas Wawrinka	250/1
18	Kei Nishikori	150/1
19	Philipp Kohlschreiber	500/1
20	Alexandr Dolgopolov	Defeated-1st Round
21	Tommy Haas	Defeated-1st Round
22	Sam Querrey	250/1
23	Andreas Seppi	750/1
24	Fernando Verdasco	300/1
25	Mikhail Youzhny	500/1

Odds courtesy of Ladbrokes