Top-seeded Julia Goerges will have to
wait until Thursday to complete her second-round match at the rainy Copa
Colsanitas tennis tournament in Bogota.

Top-seeded and defending champion Kirsten
Flipkens went by way of an opening-round upset Tuesday, while two-time runner-
up Bethanie Mattek-Sands was a straight-set winner at the $235,000 Bell
Challenge tennis tournament.

The Williams sisters, with six U.S.
Open singles titles between them, posted first-round victories on Monday.

Former French Open champion Francesca
Schiavone and third-seeded Lourdes Dominguez Lino were among Tuesday's
opening-round winners at the Copa Claro Colsanitas tennis event.

Seventh-seeded Lourdes Dominguez Lino of
Spain was a first-round winner over former champ Flavia Pennetta at the
Mexican Open tennis event on Monday.

Second seed Alexandra Dulgheru was a
first-round upset victim Tuesday at the $220,000 XX Copa BBVA Colsanitas
tennis tournament.

Little-known Croatian teenager
Ana Konjuh stunned top-seeded Roberta Vinci on Tuesday in first-round
action at the season-opening ASB Classic tennis event.

Former top-10 star Andrea Petkovic ousted
top-seeded and defending champion Victoria Azarenka in an opening-round match
Monday at the $5.185 million China Open tennis event.

Former French Open champion Francesca
Schiavone, third-seeded Lourdes Dominguez Lino and fifth seed Flavia Pennetta
were among Tuesday's opening-round winners at the Copa Claro Colsanitas tennis
event.