Fighting through a knee injury, Andrea Petkovic was able to barely get by 2010 Australian Open semifinalist Zheng Jie 3-6 6-3 6-3. Zheng had Petkovic on the hook 6-3 3-0 before Andrea mounted her comeback. How close was this match? Each player had 23 winners and 3 double faults. Andrea had 30 unforced errors while … Continue reading