Peng missing Li Na at Open

Under-pressure Chinese veteran prefers to fly under radar

Peng Shuai admits she feels the huge burden of Chinese expectations in the absence of superstar Li Na after stunning Polish fourth seed Agnieszka Radwanska at the US Open on Wednesday.

The 28-year-old, ranked 39, clinched a shock 6-3, 6-4 win for a fourth career victory over a top five player but the first at a Grand Slam.