Easy to qualify for Federer and Djokovic, Davydenko and difficult to .

Roger Federer and Serb Novak Djokovic, seeded first and third, respectively, easily to the quarter-finals of the Australian Open, the first grand slam in tennis.
In the price of the final, Federer beat Australian Lleyton Hewitt, the twenty-second, 6-2, 6-3, 6-4, and Djokovic Polish Lukasz Kubot 6-1, 6-2, 7-5.
In the first match, Federer (28 years) their fifth win in a row on Hewitt (28 years) and eighteenth in the 25 games between them collected so far.
It was Hewitt, ranked first globally between 2001 and 2003, winning in 7 of the first nine games between the players before they tend to balance the interests of Switzerland.
Meet Federer in the semi-final with Russian sixth seed Nikolay Davydenko, who beat Fernando Verdasco 6-2, IX 7-5, 4-6, 6-7 (5-7), 6-3.

For his part, Davydenko faced his toughest test to date, which took five sets to beat Fernando Verdasco 6-2, IX 7-5, 4-6, 6-7 (5-7), 6-3 in about three hours before they qualify to the quarter - final.
The Russian reached the semi-finals of the price without much attention did not lose in the first three rounds of any group, and he is going to happen again before Verdasco after winning the first two clusters, but the last equalized imposing a fifth set resolved opponent 6-3.
Davydenko continues his quest to make first title in the "Grand Slam" after he succeeded in winning most of the top ten late last year on his way to winning the "Masters" in London for the eight best players, and the Doha earlier this year which crowned a beating Federer and Nadal in the semi-final and final respectively.
The Verdasco reached the semi-finals last year in Melbourne, and was the first time in a major tournament, before losing to compatriot Rafael Nadal in a marathon match that lasted 5 hours and 14 minutes, the longest in the tournament in Australia.

For his part, to meet Djokovic in the next round with France's Jo-Wilfried Tsonga X winner Spaniard Nicolas Almagro twenty-sixth, 6-3, 6-4, 4-6, 6-7 (6-8), 9-7.
Before, and the Serb, who was crowned in Melbourne in 2008, beating Tsonga in the final game, a title its only major tournaments.
The Djokovic powerful presentation contrary to what was the case in the first two rounds and regained the rhythm which appeared to distinguish him in the second half of last season.