This will be an all-out blitz. 
http://www.wtatennis.com/head2head/player1/9869/player2/15292
These two have never met, so we're in unchartered territory.
Who gets to their first RG SF?
vs.

http://www.wtatennis.com/head2head/player1/9869/player2/15292
These two have never met, so we're in unchartered territory.
Who gets to their first RG SF?

vs.
