Agnieszka Radwanska benefiting from a punishing training regime ahead of the 2013 season . Last year Li began working with Carlos Rodriguez , former trainer of seven-time grand slam winner Justine Henin , after deciding to end her professional relationship with husband Jiang Shan . World No . just nine beat fourth seed Li Na to reach Australian Open semifinals . Chinese star will play Agnieszka Radwanska , who beat compatriot Maria Sharapova 6-2 6-2 . Russian second seed has lost just nine games -- a record -- on way to the last four .
Agnieszka Radwanska benefiting from a punishing training regime ahead of the 2013 season . World No . just nine beat fourth seed Li Na to reach Australian Open semifinals . Chinese star will play Agnieszka Radwanska , who beat compatriot Maria Sharapova 6-2 6-2 . Russian second seed has lost just nine games -- a record -- on way to the last four .