Charleston to host invitational event.
Bianca Andreescu reveals her goals for the next few years.
Canadian star coming for rival.
Teenage star feeling positive.
Teen star been keeping busy - in a fashion.
Bianca Andreescu still not 100%.
Andreescu's return date still up in the air.
Andreescu and Konta sidelined.
Spanish star joins field.
Bianca Andreescu to stay on sidelines for a little longer.