Del potro helped Argentina win the Davis cup champion Dispatch of sina sports Beijing time on December 24, news, local time Friday del potro pulled out of the Australian open and ATP Auckland station competition, current world number 38 argentines will miss the Australian open for the third consecutive year. According to local media reports, del potro since last month that because of his left hand injury again and again, I might not be fit for the tournament next year in January. This away...