It is another scorching day at the U.S. Open. Petra Kvitova received a diagnosis of mononucleosis this summer and has been limiting her practice time during the tournament. She has also limited her time in matches by not losing a set up to this point.
Entering this match, Kvitova had spent only 4 hours 43 minutes on court. Her longest match was 1:28. Kvitova and Flavia Pennetta have played 12 games so far and they have already been on court for 1:06.
