Rival in round 2 of Grigor will be Frenchman Julien Benneteau, who beat Zhang 5-7, 6-3, 6-3 in Shanghai Rolex Masters .

1 round : Dimitrov - Istomin (photos)

Grigor on twitter : ''Got whacked on my way out of the court ! I love my fans but please don't bruise me next time :) #tennisisacontactsport ''