Del Potro has been plagued by wrist problems over the past three years, but he returned to the ATP Tour last season, reaching the Olympic final and helping Argentina win the Davis Cup
Browsing: Australian Open
The two-time Wimbledon champion sustained the injury to tendons in her left hand – her dominant hand in tennis – during the incident which occurred on Tuesday morning
The 29-year-old was suspended by the International Tennis Federation earlier this year after testing positive for meldonium at the 2016 Australian Open
Sharapova, a five-time Grand Slam champion, said she was not yet aware of the sanctions she will face
Of the Serb’s sextet of triumphs on the Rod Laver Arena, four have now come at the expense of Murray, who is still without a victory from his five outings in the final of the first Grand Slam event of the year
Top-seed Williams came into the match as heavy favourite and had also won the last four meetings between the two without dropping a set, but the American made 20 unforced errors in a wobbly opening set
Wawrinka didn’t lose serve and only had one break point against him as big-serving Berdych dished up seven double faults, four of them, crucially, in the third and fourth set tiebreakers