Slovakian teenager Anna Schmiedlova deprived Venus Williams of a likely third-round meeting with her sister Serena at the French Open when she beat the American 2-6, 6-3, 6-4 in the second round in Paris today.World number 56 Schmiedlova, stole the nine-times grand slam champion's serve in the seventh game of the second set and levelled the contest when her opponent netted a forehand.Since losing in the fourth round of Wimbledon in 2011, Venus Williams has lost in the first or second round of every grand slam she has taken part in, except for the 2013 Australian Open, where she reached the third round.