Service ace: Djokovic back with rebuilt serve at Aussie Open

Service ace: Djokovic back with rebuilt serve at Aussie Open
MELBOURNE, Australia (AP) Novak Djokovic is back from six months off the ATP Tour with a remodeled service motion partly inspired by Andre Agassi and a growing confidence he can get his sore right elbow through the Australian Open.

Source: https://www.foxsports.com/tennis/story/service-ace-djokovic-back-with-rebuilt-serve-at-aussie-open-011318