Doha, Qatar (SportsNetwork.com) - World No. 1 star Novak Djokovic cruised into the second round at the season-opening $1.22 million Qatar Open on Tuesday.

The top-seeded Wimbledon champ drilled fellow Serb Dusan Lajovic 6-2, 6-1 in 59 minutes on the hardcourts at Khalifa International Tennis Complex.

Up next for the Djokovic will be Ukrainian Sergiy Stakhovsky.

In other action involving seeds, No. 3 Tomas Berdych topped Uzbekistan's Denis Istomin 6-1, 6-4 and Italian Andreas Seppi upended No. 8 Leonardo Mayer 5-7, 7-6 (7-4), 7-6 (7-4).

Also on Day 2, Stakhovsky whipped wild card Jabor Mohammed Ali Mutawa of Qatar 6-1, 6-1, Slovenian qualifier Blaz Kavcic beat Argentine Juan Monaco 7-6 (7-3), 6-4 and Georgian qualifier Nikoloz Basilashvili surprised Russian Mikhail Youzhny 7-5, 6-2.

Doha serves as a tune-up for the Australian Open.