World No.1 Novak Djokovic cruised through to the quarter-finals of the Dubai Duty Free Tennis Championships with a straight-sets victory over Malek Jaziri and in the process wrapped up his 700th victory on the ATP World Tour.

The 28-year-old routed the Tunisian and will now face Spaniard Feliciano Lopez on Thursday night, in a repeat of their last eight clash at the 2015 US Open.