Name: Stefan Seifert
Country: Germany
Birthdate: 28.02.85, 40 years
ATP ranking: 847
TOP ranking's position: 228 (23.04.12, 214 points)
Points: 20
Prize money: 99338 $
Matches total: 431
Win: 269
%: 62.41 %
Country: Germany
Birthdate: 28.02.85, 40 years
ATP ranking: 847
TOP ranking's position: 228 (23.04.12, 214 points)
Points: 20
Prize money: 99338 $
Matches total: 431
Win: 269
%: 62.41 %
| year | summary | Hard | Clay | I. hard | Carpet | Grass | Acrylic |
| 2025 | 0/1 | 0/0 | 0/0 | 0/0 | 0/1 | 0/0 | 0/0 |
| 2020 | 9/8 | 1/1 | 0/4 | 1/1 | 7/2 | 0/0 | 0/0 |
| 2019 | 19/9 | 5/3 | 2/1 | 4/2 | 8/3 | 0/0 | 0/0 |
| 2018 | 32/14 | 21/8 | 1/2 | 2/1 | 8/3 | 0/0 | 0/0 |
| 2015 | 1/1 | 0/0 | 0/0 | 0/0 | 1/1 | 0/0 | 0/0 |
| 2014 | 1/1 | 0/0 | 1/1 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2013 | 47/23 | 22/10 | 8/3 | 6/4 | 11/4 | 0/2 | 0/0 |
| 2012 | 31/17 | 2/7 | 0/2 | 17/3 | 12/4 | 0/1 | 0/0 |
| 2011 | 50/13 | 37/5 | 0/2 | 5/3 | 8/3 | 0/0 | 0/0 |
| 2010 | 3/3 | 0/0 | 0/1 | 3/1 | 0/1 | 0/0 | 0/0 |
| 2009 | 5/5 | 0/0 | 0/0 | 5/5 | 0/0 | 0/0 | 0/0 |
| 2008 | 27/20 | 0/1 | 9/9 | 12/5 | 6/4 | 0/1 | 0/0 |
| 2007 | 15/16 | 0/0 | 8/9 | 4/3 | 3/4 | 0/0 | 0/0 |
| 2006 | 13/14 | 0/0 | 11/9 | 0/0 | 2/5 | 0/0 | 0/0 |
| 2005 | 14/12 | 0/0 | 6/3 | 0/1 | 8/8 | 0/0 | 0/0 |
| 2004 | 2/5 | 0/0 | 0/2 | 0/0 | 2/3 | 0/0 | 0/0 |
| TOTAL | 269/162 | 88/35 | 46/48 | 59/29 | 76/46 | 0/4 | 0/0 |
| perc. % | 62.41 % | 71.54 % | 48.94 % | 67.05 % | 62.3 % | 0 % | 0 % |
Stefan Seifert / scheduled / last
| no matches found |
Stefan Seifert form / year 2012 / surface: Hard
Stefan Seifert / year 2012 / surface: Hard
| 10.09.12 | 1st round | Ze Zhang | Stefan Seifert | 6-2, 6-4 |  | match details |  Ningboo Challenger | Hard |
| 05.09.12 | 1st round | Yen-Hsun Lu | Stefan Seifert | 6-2, 6-0 | | match details | Shanghai Challenger | Hard |
| 23.08.12 | q 2 | Sergei Bubka | Stefan Seifert | 6-3, 7-5 | | match details |  New York | Hard |
| 22.08.12 | q 1 | Stefan Seifert | Gregoire Burquier | 6-72, 6-2, 6-2 |  | match details | ||
| 29.08.12 | 1st round | Amir Weintraub | Stefan Seifert | 6-74, 6-3, 6-3 | | match details |  Bangkok Challenger | Hard |
| 16.04.12 | 1st round | Christian Harrison | Stefan Seifert | 7-5, 6-1 | | match details | USA F10 | Hard |
| 09.04.12 | 2nd round | Pedro Zerbini | Stefan Seifert | 7-60, 7-65 | | match details | USA F9 | Hard |
| 09.04.12 | 1st round | Stefan Seifert | Shane Vinsant | 6-3, 7-66 | | match details | ||
| 02.04.12 | 1st round | Daniel Kosakowski | Stefan Seifert | 6-3, 5-7, 7-66 | | match details | Tallahassee Challenger | Hard |
