World No1 smashes racket during quarter-final victoryDjokovic was defaulted from
US Open earlier this monthLess than two weeks after getting defaulted from the US Open,
Novak Djokovic lost his cool again midway through a 6-3, 4-6, 6-3 win over German qualifier Dominik Koepfer in the Italian Open quarter-finals on Saturday.
When Djokovic was broken at love to even the second set at 3-3, he slammed his racket to the red clay in anger. With the frame broken and the strings mangled, Djokovic was forced to get a new racket and received a warning from the chair umpire.