He hid it well enough so it would n't be easily apparent to fans , but he actually worked on things like drop shots and chipping - and - charging .
Worse , Djokovic did n't just beat ( American Sam ) Querrey , he toyed with him .
Djokovic hid it well enough so it would n't be easily apparent to fans , but Djokovic actually worked on things like drop shots and chipping - and - charging .
Worse , Djokovic did n't just beat ( American Sam ) Querrey , he toyed with him .