Name: Stefan Seifert
Country: Germany
Birthdate: 28.02.85, 39 years
ATP ranking: 847
TOP ranking's position: 228 (23.04.12, 214 points)
Points: 20
Prize money: 99338 $
Matches total: 430
Win: 269
%: 62.56 %
Country: Germany
Birthdate: 28.02.85, 39 years
ATP ranking: 847
TOP ranking's position: 228 (23.04.12, 214 points)
Points: 20
Prize money: 99338 $
Matches total: 430
Win: 269
%: 62.56 %
| year | summary | Hard | Clay | I. hard | Carpet | Grass | Acrylic |
| 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 | 269/161 | 88/35 | 46/48 | 59/29 | 76/45 | 0/4 | 0/0 |
| perc. % | 62.56 % | 71.54 % | 48.94 % | 67.05 % | 62.81 % | 0 % | 0 % |
Stefan Seifert / scheduled / last
| no matches found |
Stefan Seifert form / year 2019 / surface: Clay
Stefan Seifert / year 2019 / surface: Clay
| 30.08.19 | 1/4 | Zachary Eisinga | Stefan Seifert | 7-5, 3-6, 6-3 |  | match details |  M15 Haren | Clay |
| 29.08.19 | 2nd round | Stefan Seifert | Kristjan Tamm | 6-3, 6-3 |  | match details | ||
| 28.08.19 | 1st round | Stefan Seifert | Alejo Vilaro | 6-1, 6-3 | | match details |