Zheng Qinwen became just the second Chinese player to reach an Olympic singles semi-final on Wednesday, ending the career of former world number one Angelique Kerber. Zheng, the women's world ...

Qinwen Zheng will headline the seven players in the WTA top 50 that will mark new career-high rankings on Monday. The Chinese No 1 could start next week as high as world No 6 if she wins the ...