It's time for Masha to buck up and play tough and clutch against Na and not like she thinks it's Serena. Na Li should not be a horrible matchup for Maria the way Serena and Azarenka are. But she is a nightmare of a matchup for Pova.
Happiness is like a cat. If you try to coax it or call it, it will avoid you. It will never come. But if you pay no attention to it and go about your business, you'll find it rubbing up against your legs and jumping into your lap. - William Bennett