 United Kingdom: Wimbledon - Singles - Main |
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| 1/64-finals | Kiefer N. | Ferrer D. | 0:3 (4:6, 2:6, 3:6) | details | 22.06.2010 |
 Germany: Halle - Singles - Main |
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| 1/8-finals | Beck A. | Kiefer N. | 2:1 (6:2, 3:6, 7:6) | details | 09.06.2010 |
| 1/16-finals | Kiefer N. | Youzhny M. | 2:1 (4:6, 6:1, 7:5) | details | 08.06.2010 |
 Spain: Madrid - Singles - Qualification |
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| 1/16-finals | Kiefer N. | Volandri F. | 0:2 (4:6, 2:6) | details | 08.05.2010 |
| Germany: Munich - Singles - Main |
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| 1/16-finals | Kiefer N. | Greul S. | 0:2 (5:7, 2:6) | details | 04.05.2010 |
 Tunisia: Tunis - Singles - Main |
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| 1/16-finals | Brands D. | Kiefer N. | 2:0 (6:2, 6:4) | details | 27.04.2010 |
 France: Lyon 2 - Singles - Main |
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| 1/8-finals | Ljubicic I. | Kiefer N. | 2:1 (6:3, 3:6, 6:3) | details | 29.10.2009 |
| 1/16-finals | Kiefer N. | Grosjean S. | 2:1 (4:6, 7:6, 7:6) | details | 28.10.2009 |
 Russia: Moscow - Singles - Main |
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| 1/16-finals | Kiefer N. | Granollers M. | 0:1 RET. (4:6, 0:1) | details | 20.10.2009 |
| Russia: Moscow - Singles - Qualification |
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| | Kiefer N. | Sitak D. | 2:0 (6:1, 6:4) | details | 19.10.2009 |
| | Kiefer N. | Krotiouk S. | 2:0 (6:1, 6:4) | details | 18.10.2009 |
 Belgium: Mons - Singles - Main |
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| | Falla A. | Kiefer N. | 3:2 RET. (3:2) | details | 05.10.2009 |
 USA: US Open - Singles - Main |
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| 1/32-finals | Kiefer N. | Nadal R. | 1:3 (0:6, 6:3, 3:6, 4:6) | details | 05.09.2009 |
| 1/64-finals | Llodra M. | Kiefer N. | 0:3 (3:6, 4:6, 4:6) | details | 02.09.2009 |
| USA: Cincinnati - Singles - Main |
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| 1/32-finals | Andreev I. | Kiefer N. | 2:0 (6:1, 7:5) | details | 17.08.2009 |
 Canada: Montreal - Singles - Main |
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| 1/32-finals | Wawrinka S. | Kiefer N. | 2:0 (6:4, 6:1) | details | 10.08.2009 |
 Switzerland: Gstaad - Singles - Main |
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| Quarter-finals | Bellucci T. | Kiefer N. | 1:0 RET. (3:6, 1:0) | details | 31.07.2009 |
| 1/8-finals | Navarro I. | Kiefer N. | 1:2 (3:6, 7:6, 2:6) | details | 30.07.2009 |
| 1/16-finals | Acasuso J. | Kiefer N. | 0:2 (6:7, 2:6) | details | 28.07.2009 |
| Germany: Stuttgart - Singles - Main |
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| Semi-finals | Chardy J. | Kiefer N. | 2:0 (6:3, 7:5) | details | 18.07.2009 |
| Quarter-finals | Kiefer N. | Kubot L. | 2:0 (6:2, 6:1) | details | 18.07.2009 |
| 1/8-finals | Kiefer N. | Greul S. | 2:0 (6:3, 6:4) | details | 16.07.2009 |
| 1/16-finals | Berdych T. | Kiefer N. | 0:2 (3:6, 3:6) | details | 14.07.2009 |
| United Kingdom: Wimbledon - Singles - Main |
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| 1/64-finals | Santoro F. | Kiefer N. | 3:0 (6:4, 6:2, 6:2) | details | 23.06.2009 |
| Germany: Halle - Singles - Main |
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| 1/8-finals | Melzer J. | Kiefer N. | 1:0 RET. (6:1) | details | 11.06.2009 |
| 1/16-finals | Troicki V. | Kiefer N. | 0:2 (2:6, 1:6) | details | 09.06.2009 |
| France: French Open - Singles - Main |
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| 1/32-finals | Kiefer N. | Ferrer D. | 2:3 (3:6, 7:5, 4:6, 6:3, 2:6) | details | 27.05.2009 |
| 1/64-finals | Bozoljac I. | Kiefer N. | 1:3 (6:7, 6:3, 5:7, 4:6) | details | 25.05.2009 |
| Spain: Madrid - Singles - Main |
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| 1/32-finals | Robredo T. | Kiefer N. | 2:1 (3:6, 6:2, 6:2) | details | 10.05.2009 |
| Germany: Munich - Singles - Main |
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| 1/8-finals | Kiefer N. | Chardy J. | 0:2 (4:6, 6:7) | details | 06.05.2009 |
| 1/16-finals | Kiefer N. | Gulbis E. | 2:1 (2:6, 6:3, 6:2) | details | 04.05.2009 |
 Italy: Rome - Singles - Main |
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| 1/32-finals | Kiefer N. | Monaco J. | 0:2 (2:6, 3:6) | details | 27.04.2009 |
 Monaco: Monte Carlo - Singles - Main |
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| 1/32-finals | Beck A. | Kiefer N. | 2:1 (1:6, 7:6, 6:4) | details | 13.04.2009 |
World: Davis Cup - Doubles - Main