An overwhelming Djokovic, to a victory to retain the number 1

The Serbian defeats Kohlschreiber and Russian Kachanov will be measured in the quarterfinals of Dubai

• Acapulco
  

  Rafa Nadal defeats Andújar and gets into eighths
  

Novak Djokovic He qualified for the quarterfinals of the Dubai tournament after defeating Philipp Kohlschreiber without problems in two sets (6-3, 6-1) and is only one victory away from securing the ranking number one for another week.

The Serbian needs to reach the semifinals to continue leading the classification in the event that Rafael Nadal win in Acapulco. Nole will face on Thursday the Russian Karen Kachanov, after beating without resistance a Kohlschreiber who did not have a single ball of break in the whole game and only won eleven points to the rest.

The number one broke in the sixth game to take the advantage that gave him the first set, while in the second he started with two 'breaks' that left the German without reaction.

He also qualified for the quarterfinals the second seeded tournament and recent champion in Marseille, the Greek Stefanos Tsitsipas (6th), which won the Kazakh Alexander Bublik (47º) by 7-6 (7/1) and 6-4. The opponent of the Hellenic player for a place in the semifinals will be the German Jan-Lennard Struff (34th), which overwhelmed the Georgian Nikoloz Basilashvili (29th) by 6-1 and 6-0.