She needs to hand out a bit of revenge first - Koryttseva edged her out 6-4 2-6 7-6(3) in Moscow qualifying last year. They have very similar CHs - 49 (Bally) and 50.
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GB on a shirt, Davis Cup still gleaming, 79 years of hurt, never stopped us dreaming ... 29/11/2015 that dream came true!
There is a seriously week entry list for this tournament, with the last direct acceptance being the world no. 260 (Tetyana Arefyeva).
Probably not the best scheduling, having a tournament as far away from America as possible just before the start of the US hardcourt season, but still there are quite a few players who could have taken advantage of a rare chance to play in a WTA main draw (including Naomi and katie of the British girls not currently recovering from injury). To be fair, it's a long way to travel and they wouldn't have known the entry rank would be so low.
After a very long game at 4-1, Koryttseva holds, then breaks to take the set 6-1.
Koryttseva's defence has been impressive in this match, she has won a couple of points from nowhere with some scrambling along the baseline and a couple of lobs.