Aryna Sabalenka crushed Zheng Qinwen 6-1 6-4 to reach her fifth straight Grand Slam semi-final and end the 23rd seed's run at the US Open on Wednesday. The second seed from Belarus will take over from Iga Swiatek at the top of the rankings on Monday, ending the Pole's 75-week reign. Following a commanding win, Sabalenka became the only active woman to reach the semi-finals at all four majors in one year since Serena Williams in 2016. Please use Chrome browser for a more accessible video player Sabalenka says she still has 'things to do in New York' before officially…