Kim Birrell is the last Australian woman left standing in the Miami Open draw as the ever improving national No.1 battled ferociously to save a match point en route to a resilient opening-round victory over Anastasia Potapova.
With Ajla Tomljanovic getting knocked out by US qualifier Bernarda Pera, Queensland-based Birrell, who's risen to her highest ever ranking of 68, is left flying the flag in the women's draw after another notable win against a player ranked 30 places above her.
