Novak Djokovic recently admitted that he was intimidated by arch-rival Rafael Nadal's pre-match routine.
Djokovic's comments were about the time when he was a rookie on the ATP Tour. These two tennis players have together built one of the fiercest rivalries in the history of the sport. The Serb, however, has a narrow 30-29 advantage over Nadal in their head-to-head record.
