WITH THE U.S. Open Women's Semifinals and Finals going down tonight and Sunday, there's no better time to bust out some of our favorite pics of women tennis players who have appeared in the SI Swimsuit Issue through the years, starting with Steffi Graff in 1997, and including two shoots with defending champ Serena Williams in 2003 and 2005.

STEFFI GRAFF, 1997

Walter Iooss Jr./SI


SERENA WILLIAMS, 2003

Walter Iooss Jr./SI


VENUS WILLIAMS, 2004

Paul Lange/SI


SERENA WILLIAMS, 2005

Walter Iooss Jr./SI


MARIA SHARAPOVA, 2006

Walter Iooss Jr./SI


DANIELA HANTUCHOVA, 2009

Walter Iooss Jr./SI


MARIA KIRILENKO, 2009

Walter Iooss Jr./SI


TATIANA GOLOVIN, 2009

Randall Grant/SI


ANA IVANOVIC, 2010

Marlena Bielinska/SI


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