NEW YORK — Jessica Pegula is back in the quarterfinals of a Grand Slam tournament, which used to be her roadblock. The way Pegula is playing at this U.S. Open, it may be just another stop on the way back to the final. READ: 2-time defending Jessica Pegula upset in third round The No. 4 seed rolled into the last eight by routing fellow American Ann Li 6-1, 6-2 in just 54 minutes on Sunday. She will face Barbora Krejcikova on Tuesday after the two-time Grand Slam champion fought off eight match points in a second set that ended with […]... Keep on reading: US Open: Jessica Pegula is back in quarterfinals vs Krejcikova