Name: Marek Semjan
Country: Slovakia
Birthdate: 07.11.87, 36 years
ATP ranking: 796
TOP ranking's position: 218 (30.08.10, 218 points)
Points: 25
Prize money: 196841 $
Matches total: 825
Win: 449
%: 54.42 %
Country: Slovakia
Birthdate: 07.11.87, 36 years
ATP ranking: 796
TOP ranking's position: 218 (30.08.10, 218 points)
Points: 25
Prize money: 196841 $
Matches total: 825
Win: 449
%: 54.42 %
| year | summary | Hard | Clay | I. hard | Carpet | Grass | Acrylic |
| 2021 | 1/2 | 0/0 | 1/2 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2020 | 0/1 | 0/0 | 0/0 | 0/1 | 0/0 | 0/0 | 0/0 |
| 2019 | 18/16 | 10/4 | 8/12 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2018 | 32/21 | 3/3 | 22/12 | 4/4 | 3/2 | 0/0 | 0/0 |
| 2017 | 29/20 | 8/5 | 14/10 | 5/4 | 2/1 | 0/0 | 0/0 |
| 2016 | 27/20 | 13/6 | 12/11 | 2/2 | 0/1 | 0/0 | 0/0 |
| 2015 | 9/18 | 1/2 | 6/15 | 0/0 | 2/1 | 0/0 | 0/0 |
| 2014 | 40/28 | 8/6 | 27/18 | 5/4 | 0/0 | 0/0 | 0/0 |
| 2013 | 49/26 | 25/7 | 13/13 | 11/4 | 0/1 | 0/1 | 0/0 |
| 2012 | 35/26 | 12/12 | 21/12 | 1/1 | 1/1 | 0/0 | 0/0 |
| 2011 | 7/26 | 2/7 | 1/11 | 4/6 | 0/1 | 0/1 | 0/0 |
| 2010 | 38/29 | 11/10 | 19/12 | 8/6 | 0/1 | 0/0 | 0/0 |
| 2009 | 43/35 | 9/8 | 19/15 | 13/11 | 2/1 | 0/0 | 0/0 |
| 2008 | 38/36 | 4/6 | 32/23 | 2/3 | 0/4 | 0/0 | 0/0 |
| 2007 | 45/39 | 2/2 | 40/30 | 2/4 | 1/3 | 0/0 | 0/0 |
| 2006 | 34/25 | 3/4 | 29/20 | 2/1 | 0/0 | 0/0 | 0/0 |
| 2005 | 4/8 | 0/0 | 4/7 | 0/1 | 0/0 | 0/0 | 0/0 |
| TOTAL | 449/376 | 111/82 | 268/223 | 59/52 | 11/17 | 0/2 | 0/0 |
| perc. % | 54.42 % | 57.51 % | 54.58 % | 53.15 % | 39.29 % | 0 % | 0 % |
Marek Semjan / scheduled / last
| no matches found |
Marek Semjan form / year 2009 / surface: I. hard
Marek Semjan / year 2009 / surface: I. hard
| 18.11.09 | 2nd round | Dominik Hrbaty | Marek Semjan | 6-4, 6-2 |  | match details |  Bratislava Challenger | I. hard |
| 17.11.09 | 1st round | Marek Semjan | Juho Paukku | 6-4, 6-2 |  | match details | ||
| 16.11.09 | q 2 | Marek Semjan | Jozef Kovalik | 6-3, 7-5 | | match details | ||
| 16.11.09 | qual. | Rameez Junaid | Marek Semjan | 3-6, 6-2, 6-3 | | match details | ||
| 16.11.09 | q 1 | Marek Semjan | Filip Havaj | 6-4, 6-1 | | match details | ||
| 05.11.09 | 1/4 | Illya Marchenko | Marek Semjan | 6-4, 6-1 | | match details |  Astana Challenger | I. hard |
| 04.11.09 | 2nd round | Marek Semjan | Laurent Recouderc | 7-65, 6-4 | | match details | ||
| 02.11.09 | 1st round | Marek Semjan | Andrey Kuznetsov | 6-4, 7-66 | | match details | ||
| 26.10.09 | 1st round | Daniel Lustig | Marek Semjan | 7-5, 7-5 | | match details |  Great Britain | I. hard |
| 19.10.09 | 1st round | Matteo Viola | Marek Semjan | 6-4, 6-1 | | match details | Great Britain | I. hard |
| 05.10.09 | q 1 | Frederic de Fays | Marek Semjan | 6-3, 7-66 | | match details |  Mons Challenger | I. hard |
| 24.03.09 | 1st round | Gary Lugassy | Marek Semjan | 6-2, 6-4 | | match details |  Sarajevo Challenger | I. hard |
| 16.03.09 | 1st round | Yannick Mertens | Marek Semjan | 4-6, 6-3, 6-2 | | match details | Great Britain | I. hard |
| 09.03.09 | 1/4 | Marek Semjan | Dzmitry Zhyrmont | 2-6, 6-3, 6-4 | | match details | Kazakhstan F2 | I. hard |
| 09.03.09 | 1/2 | Marek Semjan | Yannick Vandenbulcke | 7-64, 7-5 | | match details | ||
| 09.03.09 | 1st round | Marek Semjan | Denis Yevseyev | 6-2, 6-0 | | match details | ||
| 09.03.09 | fin | Marek Semjan | Martin Klizan | 3-6, 7-66, 7-61 | | match details | ||
| 09.03.09 | 2nd round | Marek Semjan | Lars Poerschke | 6-4, 6-2 | | match details | ||
| 02.03.09 | 1/4 | Marek Semjan | Danila Arsenov | 6-4, 6-1 | | match details | Kazakhstan F1 | I. hard |
| 02.03.09 | 1/2 | Martin Klizan | Marek Semjan | 6-4, 6-2 | | match details | ||
| 02.03.09 | 1st round | Marek Semjan | Dzmitry Zhyrmont | 4-6, 6-2, 7-64 | | match details | ||
| 02.03.09 | 2nd round | Marek Semjan | Ilia Starkov | 6-2, 6-2 | | match details | ||
| 19.01.09 | 1st round | Daniel Smethurst | Marek Semjan | 7-63, 6-1 | | match details | Great Britain | I. hard |
| 12.01.09 | 1st round | Nicolas Renavand | Marek Semjan | 7-62, 4-6, 6-3 | | match details | Great Britain | I. hard |
