Radwanska wins over Ivanovic
In a battle of seeded players, No. 4 seed, Agnieszka Radwanska had a surprisingly easy 4th-round win over No. 13 seed, Ana Ivanovic in the 2013 Australian Open, 6-2, 6-4. Radwanska has not lost a match yet this season, and is 13-0, off to a great start. After the match, Radwanska said: "I think I