Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. The 2003 Hamburg Masters was a tennis tournament played on outdoor clay courts. It was the 96th edition of the Hamburg Masters and was part of the Tennis Masters Series of the 2003 ATP Tour. It took place at the Am Rothenbaum in Hamburg in Germany from May 12 through May 18, 2003. The singles field was headlined by new ATP No. 1, Scottsdale, Indian Wells winner and Masters Cup defending champion Lleyton Hewitt, Buenos Aires, Barcelona champion, Miami runner-up and Monte Carlo semifinalist Carlos Moyá and Marseille, Dubai, Munich winner and recent Rome finalist Roger Federer. Other top seeds competing were Memphis and Houston finalist Andy Roddick, 2002 French Open champion Albert Costa, Ji í Novák, Paradorn Srichaphan and David Nalbandian.