She beat Myskina 46 64 63 in New Haven last year, then Jankovic in Miami this year 26 76(4) 64, and now Petrova 63 63, after being down 03 in the second set. That's really amazing to take six straight games from a top 10 player of Petrova's caliber.
Great day for Mara. Two top-10 victories now!