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 2009 / surface: Hard
Maria Joao Koehler / year 2009 / surface: Hard
| 01.06.09 | 1/2 | Maria Joao Koehler | Sheila Solsona-Carcasona | 4-6, 6-4, 7-66 |  | match details |  Amarante | Hard |
| 01.06.09 | 1st round | Maria Joao Koehler | Ana Belzunce-Crompin | 2-6, 6-2, 7-5 | | match details | ||
| 01.06.09 | fin | Maria Joao Koehler | Melanie Gloria | 6-3, 6-2 | | match details | ||
| 01.06.09 | 2nd round | Maria Joao Koehler | Rocio De La Torre-Sanchez | 6-0, 6-0 | | match details | ||
| 01.06.09 | 1/4 | Maria Joao Koehler | Maria-Teresa Torro-Flor | 1-6, 7-64, 6-3 | | match details | ||
| 23.03.09 | 1st round | Maria Joao Koehler | Diana Arutyunova | 6-2, 6-3 | | match details |  La Palma | Hard |
| 23.03.09 | 2nd round | Kristina Kucova | Maria Joao Koehler | 6-2, 6-3 |  | match details | ||
| 16.02.09 | 2nd round | Stephanie Vongsouthi | Maria Joao Koehler | 6-3, 7-5 | | match details | Portimao | Hard |
| 16.02.09 | 1st round | Maria Joao Koehler | Amanda Carreras | 6-2, 7-5 | | match details | ||
| 09.02.09 | 1st round | Lucia Vrskova | Maria Joao Koehler | 7-65, 3-6, 7-5 | | match details | Albufeira | Hard |
| 02.02.09 | 1st round | Petra Pajalic | Maria Joao Koehler | 3-6, 6-4, 6-2 | | match details | Vale Do | Hard |