Jessica Pegula’s breakthrough continues, reaches first grand slam singles final at US Open and will face Aryna Sabalenka

American Jessica Pegula has advanced to her first grand slam singles final, with the world No. 6 rallying from a set and a break down to beat unseeded Czech Karolína Muchová 1-6, 6-4, 6-2 at the US Open on Thursday in New York. At 30 years old, she’s the oldest American woman in the Open Era to reach her maiden grand slam singles final. She was competing in her major first semifinal after previously going 0-6 in quarterfinals. Pegula, a …