Becker predicts Novak's plunge
Serb's ex-coach sure Djokovic in terminal tailspin
Novak Djokovic's former coach Boris Becker reckons the world No 2's era of dominance is over following his shock Australian Open exit on Thursday.
Six-time champion Djokovic's five-set loss to 117th-ranked Uzbek Denis Istomin - his earliest departure from a major since Wimbledon 2008 - stunned the tennis world.
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