Polina Kudermetova of Russia came up with a remarkably sharp game midway through the third set to beat Sahaja Yamalapalli 1-6, 6-3, 7-5 in the pre-quarterfinals of the L&T Mumbai Open WTA tennis tournament at the CCI on Thursday. Down 2-5 in the third set, Kudermetova stepped it up and went on a higher gear, much to the delight of …