![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 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](https://previews.agefotostock.com/previewimage/medibigoff/0fd978c8fe70bbffe541609013da583a/ibr-1186941.jpg)
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
![Nicolas Kiefer at the Los Angeles Tennis Open Editorial Stock Image - Image of wide, professional: 11418909 Nicolas Kiefer at the Los Angeles Tennis Open Editorial Stock Image - Image of wide, professional: 11418909](https://thumbs.dreamstime.com/z/nicolas-kiefer-los-angeles-tennis-open-11418909.jpg)
Nicolas Kiefer at the Los Angeles Tennis Open Editorial Stock Image - Image of wide, professional: 11418909
![Roger Federer can break Jimmy Connors' mark of 109 titles, says Nicolas Kiefer | Tennis News | Sky Sports Roger Federer can break Jimmy Connors' mark of 109 titles, says Nicolas Kiefer | Tennis News | Sky Sports](https://e0.365dm.com/19/03/2048x1152/skysports-roger-federer-nicolas-kiefer_4597141.jpg)
Roger Federer can break Jimmy Connors' mark of 109 titles, says Nicolas Kiefer | Tennis News | Sky Sports
![Pro Tennis Player Nicolas Kiefer at the Los Angele Editorial Photo - Image of athletics, returning: 11418946 Pro Tennis Player Nicolas Kiefer at the Los Angele Editorial Photo - Image of athletics, returning: 11418946](https://thumbs.dreamstime.com/z/pro-tennis-player-nicolas-kiefer-los-angele-11418946.jpg)
Pro Tennis Player Nicolas Kiefer at the Los Angele Editorial Photo - Image of athletics, returning: 11418946
![Kiefer criticizes Zverev and Thiem: "Questioning whether they have anything other than tennis balls in their heads · tennisnet.com Kiefer criticizes Zverev and Thiem: "Questioning whether they have anything other than tennis balls in their heads · tennisnet.com](https://www.tennisnet.com/fileadmin/_processed_/d/1/csm_nicolas-kiefer_0ba1ca58f3.jpg)
Kiefer criticizes Zverev and Thiem: "Questioning whether they have anything other than tennis balls in their heads · tennisnet.com
![Kiefer German Tennis Player Nicolas Kiefer Editorial Stock Photo - Stock Image | Shutterstock Editorial Kiefer German Tennis Player Nicolas Kiefer Editorial Stock Photo - Stock Image | Shutterstock Editorial](https://editorial01.shutterstock.com/wm-preview-1500/7209113a/851e9ba5/Shutterstock_7209113a.jpg)
Kiefer German Tennis Player Nicolas Kiefer Editorial Stock Photo - Stock Image | Shutterstock Editorial
![Kiefer German Tennis Player Nicolas Kiefer Editorial Stock Photo - Stock Image | Shutterstock Editorial Kiefer German Tennis Player Nicolas Kiefer Editorial Stock Photo - Stock Image | Shutterstock Editorial](https://editorial01.shutterstock.com/wm-preview-1500/7194288a/289ec4f7/Shutterstock_7194288a.jpg)
Kiefer German Tennis Player Nicolas Kiefer Editorial Stock Photo - Stock Image | Shutterstock Editorial
![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 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](https://c8.alamy.com/comp/D3NHRG/german-tennis-pro-nicolas-kiefer-looks-frustrated-during-his-match-D3NHRG.jpg)
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
![German Nicolas Kiefer celebrates his victory over Russian Davydenko during last sixteen round at the ATP Masters Series in Hamburg, Germany, 15 May 2008. Kiefer won 7-5 and 6-3. Photo: Maurizio Gambarini Stock Photo - Alamy German Nicolas Kiefer celebrates his victory over Russian Davydenko during last sixteen round at the ATP Masters Series in Hamburg, Germany, 15 May 2008. Kiefer won 7-5 and 6-3. Photo: Maurizio Gambarini Stock Photo - Alamy](https://c8.alamy.com/comp/D4E1GH/german-nicolas-kiefer-celebrates-his-victory-over-russian-davydenko-D4E1GH.jpg)