Radwanska escapes after Friedsam suffers injury 24.01.2016 13:32 Reuters MELBOURNE (Reuters) - Anna-Lena Friedsam's giant-killing run at the Australian Open ended in tears and injury on Sunday after a thigh ailment allowed world number four Agnieszka Radwanska to snatch a 6-7 (6) 6-1 7-5 fourth round win.