If we hit a shot like this one by @petra.kvitova, we'd be all smiles, too! The Czech advances to the @botwclassic quarterfinals, d. K Bondarenko 6-2, 6-2. Send Petra a 😄for her hot shot! Tune-in to watch the Bank of the West Classic on @ESPN. Check your local listings. #USOpenSeries #petrakvitova #tennis #hotshot #botwclassic #stanford #usopen #kvitova