Stosur then received a walkover against Lesia Tsurenko .
Stosur then defeated fellow Aussie Ajla Tomljanovic and Sloane Stephens to reach her first final of 2015 .
Stosur then received a walkover against Lesia Tsurenko and defeated fellow Aussie Ajla Tomljanovic and Sloane Stephens to reach her first final of 2015 .