Third seed Radwanska through to round two
AAP
World No.3 Agnieszka Radwanska survived a roller-coaster round one to overcome Tsvetana Pironkova.
Radwanska downed the tricky Bulgarian 6-1 4-6 6-1 on Rod Laver Arena on Tuesday night.
Making two Melbourne semi-finals in the past three years, the Pole next faces Croatian Mirjana Lucic-Baroni.
