1.
Nadal, Murray reach U.S. Open semis
The win was Simon's fourth on the ATP Tour.
Simon was seeded second, his Russian opponent third.
Tursunov, trailing 4-3 in the second set, failed to capitalize on three break points.
Simon won $83,500.
"Today was my best match," the French player said. "I didn't have many unforced errors, I had a good serve. That was the match I wanted to play. I was very close to playing my best tennis."
