Afterwards all, no human athlete is impregnable, and both Djokovic and Williams allow lost to contenders before.
Djokovic has double faulted more than times in his career in matches by the time of writing. Every actor can have a bad day after that this loss has to be taken in context of overall historical accomplishment. Clearly, the motivation worked as he stormed to victory and went all the way through to the semifinals. The serving actor gets another try. Djokovic claimed his prize to cheers, sealing his area in the history books. Novak Djokovic Djokovic is the undisputed king of tennis, but he is not impregnable.