Catfight or Misunderstanding?

Maria Sharapova advanced to the semifinals today at the Internazionali BNL d'Italia Open after Victoria Azarenka retired with an arm injury.  But, prior to that happening, it appears that there was a little bit of name calling when Vika won the first set 6-4.  Take a look at the video below and make your own guess as to what Vika was saying in Maria's direction around the 11 sec. mark after she closed out the set:

After the match, Vika (or her PR person) decided to address the issue on Twitter:

Very sad and tough day for me. Very hard to retire like this. Said some things to myself on the match that I'm not proud of. But it was just being mad at myself. Will never refer anything to my opponent. I play with respect to every single player. I apologise if there was a misunderstanding of that situation. Thank u for the support and so many spectators. The atmosphere was great.

I get it, I routinely call myself a f-ing bitch whenever I win a set, or a game, or hell even a point.  I mean, doesn't everyone do it?

Riiiiiight.....lol.  Actually, I don't care that she did it, but at least come up with a believable story, or better yet, don't say anything at all.