Top-seeded Angelique Kerber cruised past Irina Falconi 6-2, 6-3 in the first round of the Citi Open on Tuesday.
On the advice of her coach, Kerber headed straight to the practice court for a 20-minute session.
''I think it was a good idea,'' said Kerber, who hasn't played a tournament since Wimbledon last month.
With No. 15-ranked Sloane Stephens' loss Monday, No. 9-ranked Kerber is 17 spots higher than any player remaining in the tournament. The German will face the winner of the match between Melanie Oudin and Anastasia Rodionova.
Taylor Townsend lost to Monica Niculescu 6-3, 6-0. Last year, Townsend became the first American girl to finish No. 1 in the year-end world junior rankings.
''I'm the youngest one here in the tournament playing, so I don't have any pressure really,'' said Townsend, who got a wild-card entry. ''No one is expecting me to do anything. So, every win is a shock, basically.
''I have high expectations for myself and a lot of confidence and belief in mysel...