Name: Maria Joao Koehler
Country: Portugal
Birthdate: 08.10.92, 31 years
WTA ranking: 808
TOP ranking's position: 102 (01.04.13, 65400 points)
Points: 7
Prize money: 332492 $
Matches total: 453
Win: 254
%: 56.07 %
Country: Portugal
Birthdate: 08.10.92, 31 years
WTA ranking: 808
TOP ranking's position: 102 (01.04.13, 65400 points)
Points: 7
Prize money: 332492 $
Matches total: 453
Win: 254
%: 56.07 %
| year | summary | Hard | Clay | I. hard | Carpet | Grass | Acrylic |
| 2018 | 17/16 | 6/3 | 7/5 | 0/2 | 4/6 | 0/0 | 0/0 |
| 2017 | 26/20 | 11/6 | 7/7 | 0/0 | 8/7 | 0/0 | 0/0 |
| 2016 | 22/12 | 11/5 | 7/6 | 0/0 | 4/1 | 0/0 | 0/0 |
| 2015 | 11/12 | 5/4 | 2/4 | 1/3 | 3/1 | 0/0 | 0/0 |
| 2014 | 7/16 | 4/3 | 2/9 | 1/4 | 0/0 | 0/0 | 0/0 |
| 2013 | 23/24 | 15/6 | 7/11 | 0/3 | 0/0 | 1/4 | 0/0 |
| 2012 | 44/30 | 19/10 | 10/10 | 11/8 | 0/0 | 4/2 | 0/0 |
| 2011 | 45/28 | 16/7 | 21/16 | 8/5 | 0/0 | 0/0 | 0/0 |
| 2010 | 22/15 | 7/4 | 15/9 | 0/2 | 0/0 | 0/0 | 0/0 |
| 2009 | 23/12 | 7/4 | 11/8 | 0/0 | 5/0 | 0/0 | 0/0 |
| 2008 | 13/9 | 7/5 | 6/4 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2007 | 1/4 | 0/1 | 1/3 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2006 | 0/1 | 0/0 | 0/1 | 0/0 | 0/0 | 0/0 | 0/0 |
| TOTAL | 254/199 | 108/58 | 96/93 | 21/27 | 24/15 | 5/6 | 0/0 |
| perc. % | 56.07 % | 65.06 % | 50.79 % | 43.75 % | 61.54 % | 45.45 % | 0 % |
Maria Joao Koehler / scheduled / last
| no matches found |
Maria Joao Koehler form / year 2010 / surface: I. hard
Maria Joao Koehler / year 2010 / surface: I. hard
| 27.09.10 | 1st round | Emma Laine | Maria Joao Koehler | 6-2, 6-1 |  | match details |  Helsinki | I. hard |
| 05.02.10 | Rubber 1 | Simona Halep | Maria Joao Koehler | 6-4, 6-1 | | match details |  Fed Cup | I. hard |