Holder Novak Djokovic returned to tennis action three weeks after his Australian Open title with an inspired 6-3 6-3 over Frenchman Michael Llodra Tuesday at the Dubai Championships.
The second-seeded Serb Djokovic winner of the last two editions at the Aviation club was joined in the second round by Russia s Nikolay Davydenko who defeated Spain s Guillermo Garcia-Lopez 6-2 6-0 with six breaks of serve.
The former top-five man Davydenko is in a comeback from a 39th ranking.
German Philipp Kohlschreiber put out sixth seed Viktor Troicki of Serbia 6-1,7-6, (7-2) and two retirements struck within minutes of each other at the event from which Scot Andy Murray withdrew last week.
Kazak Andrei Golubev earned his first win of 2011 as seventh seed Marcos Baghdatis was unable to go on while trailing 0-4 with influenza.
Spain s 2008 finalist Feliciano Lopez advanced in his opening match as Taiwan s Lu Yen-Hsun quit trailing 0-5.
Llodra and Djokovic were playing for the third time with their last meeting at Paris Bercy in November won by Llodra but this time around Djokovic claimed his 16th Dubai victory in 63 minutes with four aces.