Nicolas Kiefer editorial stock photo. Image of racket - 4257583
German tennis pro Nicolas Kiefer looks frustrated during his match against Belarusian Mirnyi at the ATP German Masters in Hamburg, Germany, Wednesday, 17 May 2006. Kiefer lost the match in two sets
File:Nicolas Kiefer at the 2008 BNP Paribas Masters.jpg - Wikimedia Commons
ZooTennis: September Aces; ITF Grade B1 Pan American Closed Wild Cards; DeFalco, Sieg and Kiefer Reach Cancun Grade 3 Finals; USTA Pro Circuit Update
Nicolas Kiefer, Germany, playing a backhand, tennis, the ITF Grand Slam tournament, French Open 2009, Stock Photo, Picture And Rights Managed Image. Pic. IBR-1186941 | agefotostock
Kiefer criticizes Zverev and Thiem: "Questioning whether they have anything other than tennis balls in their heads · tennisnet.com
Nicolas Kiefer - Age, Family, Bio | Famous Birthdays
A healthy Kiefer takes aim at Newport's grass and a comeback
Top 5 Smokin' Hot Tennis Guys | Page Six
Nicolas Kiefer of Germany in action during his match against Rafael Nadal from Spain on day 5 of the US Open at the USTA Billie Stock Photo - Alamy