Four great rounds of tennis are already in the books down in Melbourne, Australia. However, there is still a long way to go before a Men's Singles Champion and Women's Singles Champion are crowned. Let's a take a quick look at the four matches which make up the Women's Quarterfinals of the 2013 Australian Open.
Na Li  vs. Agnieszka Radwanska 
This match, which will be the first match up on Rod Laver Arena on Tuesday in Melbourne, figures to be a great one. Both players are coming into this match in great form and neither has really been challenged yet in this tournament. It is important to note the difference in the playing styles of Na and Radwanksa. The Chinese veteran, who already possesses a Major Championship, is a power player who has the ability to hit with the likes of Maria Sharapova and Serena Williams. Since finding a different coach other than her husband, Na has looked great, showing the ability to mix it up an...