Laura Robson has n't retired since the inaugural Open in January 2014 . year - old underwent surgery on her left knee after the event . Former British # 1 no longer has a ranking due to her injury lay - offs .
Laura Robson has n't played since the Australian Open in January 2014 . 21-year-old underwent surgery on her left wrist after the tournamentÂ . Former British No 1 no longer has a ranking due to her injury lay-off .