By Frank Dalleres Rafael Nadal’s hopes of matching Novak Djokovic’s grand slam title record have suffered a blow after the Spaniard was forced to pull out of next week’s Australian Open. Nadal spent almost all of last year sidelined with a hip problem and his injury curse struck again during his comeback tournament, the Brisbane International, last week. The 37-year-old’s tally of 22 grand slams is two short of the record held by Djokovic, who is a year younger and could extend it further in Melbourne this month. “During my last match in Brisbane I had a small problem on a muscle that as you k…