Steffi Graf, Boris Becker and the Top 10 German Players in Tennis History | News, Scores, Highlights, Stats, and Rumors

Greatness was predicted for Kiefer early on, supported by his exceptional results in the juniors, winning the 1995 Australian and U.S. Open boys titles. Two years later, he was a quarterfinalist at Wimbledon in the main draw.

While he never did win a Slam as a professional, Kiefer did get as high as five in the rankings; won six singles titles and made 13 other finals; and took home a Silver Medal in the 2004 Olympics, partnering Schuettler.