Tennis-U.S. Open women's singles semifinal results

Sept 6 (Infostrada Sports) - Results from the U.S. Open Women's Singles Semifinal matches on Friday

1-Serena Williams (U.S.) beat 5-Li Na (China) 6-0 6-3

2-Victoria Azarenka (Belarus) beat Flavia Pennetta (Italy) 6-4 6-2