Lepchenko, a former top 100 player like Mel, has a 2-0 record against Anne and a 1-0 record against Elena but the only Brit she has played recently is Georgie Stoop, whom she has played 3 times in the last 12 months, wiinning two and losing one, all in three sets.
The clocks changed in the US at the weekend, so this match will be played at 17.00 GMT.
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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!
(1) Dinara Safina (RUS) BYE Tsvetana Pironkova (BUL) v Marina Erakovic (NZL) Anne Keothavong (GBR) v Olga Govortsova (BLR) (28) Shuai Peng (CHN) BYE
Govortsova has not beaten a top 100 player for 2 months, and Peng's record is not much better, so there's an opportunity for Anne to make the third round if she plays well.