Murray secured his place in the next round following a comfortable 7-5 6-3 win over Paul-Henri Mathieu of France and will now face Poland 's Jerzy Janowicz . Novak Djokovic loses to Sam Houston in his opening match at Paris Masters . Serbian star Novak still becomes new world No.1 despite defeat . Sam Querrey recovers after losing first eight games , firing 18 aces . Richard Gasquet 's hopes of reaching the finals end with defeat .
Novak Djokovic loses to Sam Houston in his opening match at Paris Masters . Serbian star Novak still becomes new world No.1 despite defeat . Sam Querrey recovers after losing first eight games , firing 18 aces . Richard Gasquet 's hopes of reaching the finals end with defeat .