Li Na becomes China's first US Open semifinalist

Li Na of China hits a return to Ekaterina Makarova of Russia at the US Open tennis championships in New York, Sept 3, 2013. [Photo/Agencies]

Li Na's 2013 US Open trip: 

5th round

6-4 6-7(5) 6-2
Ekaterina Makarova, Russia 

4th round

6-3, 6-0
Jelena Jankovic, Serbia

3rd round

6-2, 7-5
Laura Robson, Britain 

2nd round

6-2, 6-2
Sofia Arvidsson, Sweden

1st round

6-2, 6-2
Olga Govortsova, Belarus

Highlights on doping

Li cleared of doping allegations

Li forced to take steroid pills? officials say no