![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
![Nicolas Kiefer - Advantage Tennis Photo site, view and purchase photos of the Tennis player Nicolas Kiefer. Nicolas Kiefer - Advantage Tennis Photo site, view and purchase photos of the Tennis player Nicolas Kiefer.](https://www.advantage-tennis.com/kiefer/IMG_3696.jpg)
Nicolas Kiefer - Advantage Tennis Photo site, view and purchase photos of the Tennis player Nicolas Kiefer.
![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
Nicolas Kiefer schwärmt von seinem neuen Tennis-Leben in Berlin: "Es ist ein Wahnsinn" - Sportbuzzer.de
![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
![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
![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)