A birdie on 18 ended a run of 23 consecutive pars for the Chinese star and saw her earn a one-stroke lead over the chasing pack.
The LPGA has released a strict new dress code for its players which has us scratching our heads.
Donald Trump may have stolen the spotlight from Shanshan Feng, but the Chinese player was able to increase her lead at the US Women's Open.
World number four Lydia Ko is content after her four under 68 in the opening round of the 2017 US Women's Open on Thursday.
Shanshan Feng produced her best-ever round at the US Women's Open to take the first round lead at the rain-affected tournament.
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