|John Isner smiles after he saves his 12th match point against Haas|
|American Jamie Hampton upset 2011 Wimbledon champion Petra Kvitova|
|Jelena Jankovic upset 2011 US Open Champion Sam Stosur|
There were multiple other upsets on the day that I was travelling from Los Angeles to Washington, D.C. 2011 Wimbledon Champion and #7 seed Petra Kvitova was taken out 6-1 7-6(7) by American youngster Jamie Hampton and 2011 US Open champion and #9 seed Samantha Stosur lost to veteran Jelena Jankovic 3-6 6-3 6-4. Bethanie Mattek-Sands followedup her astonishing upset of 2011 French Open champion Li Na and #6 seed by reaching the 4th round.