Nicolas Kiefer

Insights

Peak came in 2006, with a semifinal and a 57% career win rate

Kiefer’s best Grand Slam result was the 2006 Australian Open semifinal, and his overall Slam record finished at 60-45 across 105 matches. That 57% win rate is supported by a career that included four quarterfinals and four round-of-16 finishes.

His strongest stretch was 2000-2006, before results tapered off

From 2000 through 2006, he reached at least the round of 32 in multiple Slams and produced his deepest run in 2006. After that, his results dropped to mostly early exits: R32 at the 2006 French Open, then R32/R64/R128 finishes from 2007 to 2010.

Wimbledon was his most consistent major

Across Wimbledon appearances, he reached the round of 32 or better in 1998, 1999, 2001, 2002, 2005, 2007, and 2008, including a round of 16 in 2001. By contrast, his French Open and Australian Open records were more volatile, with several R128 exits.

He peaked early at the Australian Open, then never matched it there

His Australian Open best was the 2006 semifinal, but before that he had already reached quarterfinals in 2000 and 1998. After 2006, his Australian Open results fell to R128 in 2008 and no later Australian Open result is listed.

His Slam career stretched from age 18 to 32

The first listed Slam result is the 1996 Australian Open at age 18, and the last is Wimbledon in 2010 at age 32. That 14-year span shows a long Grand Slam presence, with his best result arriving at age 28.