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Name: Erika Sema
Country: Japan
Birthdate: 24.11.88, 23 years
Ranking's position: 133
Points: 50600
Prize money: 136.160 $
Matches total: 279
Win: 152
%: 54.48 %
Country: Japan
Birthdate: 24.11.88, 23 years
Ranking's position: 133
Points: 50600
Prize money: 136.160 $
Matches total: 279
Win: 152
%: 54.48 %
| year | summary | Hard | Clay | I. hard | Carpet | Grass | Acrylic |
| 2012 | 10/15 | 5/8 | 1/5 | 4/2 | 0/0 | 0/0 | 0/0 |
| 2011 | 43/28 | 27/14 | 6/8 | 0/0 | 7/4 | 3/2 | 0/0 |
| 2010 | 33/21 | 24/10 | 2/5 | 0/0 | 6/5 | 1/1 | 0/0 |
| 2009 | 33/23 | 21/11 | 1/3 | 6/3 | 5/6 | 0/0 | 0/0 |
| 2008 | 5/7 | 1/2 | 0/0 | 0/0 | 4/5 | 0/0 | 0/0 |
| 2007 | 23/16 | 16/8 | 0/0 | 0/0 | 7/8 | 0/0 | 0/0 |
| 2006 | 0/6 | 0/1 | 0/3 | 0/0 | 0/2 | 0/0 | 0/0 |
| 2005 | 4/9 | 1/5 | 2/1 | 0/0 | 1/2 | 0/1 | 0/0 |
| 2004 | 1/2 | 0/0 | 0/0 | 0/0 | 1/2 | 0/0 | 0/0 |
| TOTAL | 152/127 | 95/59 | 12/25 | 10/5 | 31/34 | 4/4 | 0/0 |
| perc. % | 54.48 % | 61.69 % | 32.43 % | 66.67 % | 47.69 % | 50 % | 0 % |
Erika Sema / scheduled / last
| no matches found |
Erika Sema / last 50 matches
| 24.05.12 | q 2 | Heidi El Tabakh | Erika Sema | 6-1, 6-1 |  | match details |  Paris | Clay |
| 23.05.12 | q 1 | Erika Sema | Jana Cepelova | 6-2, 6-4 |  | match details | ||
| 14.05.12 | 1st round | Marta Domachowska | Erika Sema | 6-1, 6-2 | | match details | Saint Gaudens | Clay |
| 30.04.12 | 1st round | Erika Sema | Nudnida Luangnam | 7-66, 2-6, 6-2 | | match details |  Gifu | Hard |
| 30.04.12 | 2nd round | Erika Sema | Jessica Pegula | 6-3, 2-6, 7-5 | | match details | ||
| 30.04.12 | 1/4 | Erika Sema | Luksika Kumkhum | 3-6, 6-4, 6-3 | | match details | ||
| 30.04.12 | 1/2 | Noppawan Lertcheewakarn | Erika Sema | 6-4, 4-6, 7-5 | | match details | ||
| 23.04.12 | 1st round | Julia Glushko | Erika Sema | 6-1, 4-6, 7-64 | | match details |  Charlottesville | Clay |
| 16.04.12 | 1st round | Madison Brengle | Erika Sema | 6-3, 6-3 | | match details | Dothan | Clay |
| 09.04.12 | 1st round | Sacha Jones | Erika Sema | 5-7, 6-2, 6-1 | | match details | Pelham | Clay |
| 26.03.12 | 1st round | Erika Sema | Tetyana Arefyeva | 7-5, 6-71, 6-4 | | match details |  Phuket | I. hard |
| 26.03.12 | 1/4 | Marta Sirotkina | Erika Sema | 6-2, 6-0 | | match details | ||
| 26.03.12 | 2nd round | Erika Sema | Sheng-Nan Sun | 7-5, 6-3 | | match details | ||
| 19.03.12 | 2nd round | Erika Sema | Varatchaya Wongteanchai | 6-2, 6-2 | | match details | Phuket | I. hard |
| 19.03.12 | 1/4 | Noppawan Lertcheewakarn | Erika Sema | 6-4, 2-6, 6-1 | | match details | ||
| 19.03.12 | 1st round | Erika Sema | Chin-Wei Chan | 6-2, 6-4 | | match details | ||
| 12.03.12 | 2nd round | Erika Sema | Sheng-Nan Sun | 6-4, 6-1 | | match details |  Sanya | Hard |
| 12.03.12 | 1/4 | Qiang Wang | Erika Sema | 7-5, 6-4 | | match details | ||
| 12.03.12 | 1st round | Erika Sema | Anne Kremer | 6-2, 6-1 | | match details | ||
| 27.02.12 | 1st round | Petra Martic | Erika Sema | 4-6, 6-4, 7-5 | | match details |  Kuala Lumpur | Hard |
| 13.02.12 | 1st round | Risa Ozaki | Erika Sema | 7-5, 6-74, 7-64 | | match details |  Sydney | Hard |
| 06.02.12 | 1st round | Sorana Cirstea | Erika Sema | 6-2, 6-2 | | match details | Pattaya City | Hard |
| 12.01.12 | q 1 | Kirsten Flipkens | Erika Sema | 6-1, 6-2 | | match details | Melbourne | Hard |
| 06.01.12 | q 1 | Sofia Arvidsson | Erika Sema | 6-3, 6-74, 6-3 | | match details | Sydney | Hard |
| 31.12.11 | q 1 | Alison Riske | Erika Sema | 6-4, 6-79, 6-0 | | match details |  Auckland | Hard |
| 28.11.11 | 1st round | Arantxa Rus | Erika Sema | 6-4, 6-3 | | match details |  Dubai | Hard |
| 21.11.11 | 1st round | Ayumi Oka | Erika Sema | 6-2, 6-2 | | match details | Toyota | Carpet |
| 31.10.11 | 1st round | Erika Sema | Rachel Tredoux | 6-2, 3-6, 6-1 | | match details | Mount Gambier | Hard |
| 31.10.11 | 1/4 | Sally Peers | Erika Sema | 7-63, 0-6, 6-2 | | match details | ||
| 31.10.11 | 2nd round | Erika Sema | Ran Tian | 6-4, 0-6, 6-3 | | match details | ||
| 24.10.11 | 1/2 | Olivia Rogowska | Erika Sema | 6-3, 6-0 | | match details | Port Pirie | Hard |
| 24.10.11 | 1st round | Erika Sema | Tyra Calderwood | 6-0, 6-2 | | match details | ||
| 24.10.11 | 2nd round | Erika Sema | Samantha Murray | 6-1, 7-5 | | match details | ||
| 24.10.11 | 1/4 | Erika Sema | Monique Adamczak | 1-0, Monique Adamczak - retired | | match details | ||
| 17.10.11 | 2nd round | Erika Sema | Yuka Mori | 6-3, 6-1 | | match details | Makinohara | Carpet |
| 17.10.11 | 1/4 | Erika Sema | Chinami Ogi | 6-2, 6-1 | | match details | ||
| 17.10.11 | 1st round | Erika Sema | Ayumi Oka | 6-1, 6-4 | | match details | ||
| 17.10.11 | fin | Karolina Pliskova | Erika Sema | 6-75, 6-2, 6-0 | | match details | ||
| 17.10.11 | 1/2 | Erika Sema | Junri Namigata | 6-2, 6-3 | | match details | ||
| 12.10.11 | 2nd round | Petra Cetkovska | Erika Sema | 6-0, 6-3 | | match details | Osaka | Hard |
| 11.10.11 | 1st round | Erika Sema | Mandy Minella | 6-3, 6-3 | | match details | ||
| 10.10.11 | qual. | Erika Sema | Rika Fujiwara | 6-3, 6-4 | | match details | ||
| 09.10.11 | q 2 | Erika Sema | Yurika Sema | 5-7, 6-0, 6-3 | | match details | ||
| 08.10.11 | q 1 | Erika Sema | Yoshimi Kawasaki | 6-0, 6-0 | | match details | ||
| 03.10.11 | 1/4 | Erika Sema | Yurika Sema | 6-0, 4-6, 6-3 | | match details | Kofu | Hard |
| 03.10.11 | 1/2 | Kai-Chen Chang | Erika Sema | 6-4, 4-6, 6-4 | | match details | ||
| 03.10.11 | 1st round | Erika Sema | Mari Tanaka | 6-0, 6-2 | | match details | ||
| 03.10.11 | 2nd round | Erika Sema | Remi Tezuka | 6-2, 6-0 | | match details | ||
| 26.09.11 | 1st round | Maria Kirilenko | Erika Sema | 6-1, 6-0 | | match details | Tokyo | Hard |
| 24.09.11 | qual. | Erika Sema | Raquel Kops-Jones | 1-6, 6-1, 6-4 | | match details |