(AP Photo/Simon Baker)

MELBOURNE, Australia (AP) As Daniil Medvedev sat courtside trying to re-hydrate during a changeover, an image of nine-time Australian Open champion Novak Djokovic flashed up in the stadium behind him.

It was in the third set Saturday, and it was like the absent No. 1 was looking over the shoulder of the player who is effectively the No. 1 seed at the year's first Grand Slam tournament.

Medvedev, who lost last year's Australian Open final to Djokovic but avenged that with a victory over the Serb for the U.S. Open title, reached the fourth round for the fourth straight year at Melbourne Park with a 6-4, 6-4, 6-2 win over Botic van de Zandschulp.

Read More...