Ime: Maria Joao Koehler
Država: Portugal
Datum rođenja: 08.10.92, 31 Godina
WTA ljestvica: 808
TOP pozicija na ljestvici: 102 (01.04.13, 65400 bodovi)
Bodovi: 7
Premije: 332492 $
Mečeva ukupno: 453
Pobjede: 254
Uspješnost: 56.07 %
Država: Portugal
Datum rođenja: 08.10.92, 31 Godina
WTA ljestvica: 808
TOP pozicija na ljestvici: 102 (01.04.13, 65400 bodovi)
Bodovi: 7
Premije: 332492 $
Mečeva ukupno: 453
Pobjede: 254
Uspješnost: 56.07 %
| godina | rezime | tvrda | zemlja | dvorana | tepih | trava | akril |
| 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 |
| UKUPNO | 254/199 | 108/58 | 96/93 | 21/27 | 24/15 | 5/6 | 0/0 |
| uspj. % | 56.07 % | 65.06 % | 50.79 % | 43.75 % | 61.54 % | 45.45 % | 0 % |
Maria Joao Koehler / neodigrani / posljednji
| nije pronađen nikakav meč |
Maria Joao Koehler form / godina 2013 / podloga: zemlja
Maria Joao Koehler / godina 2013 / podloga: zemlja
| 23.09.13 | 1. kolo | Anastasia Grymalska | Maria Joao Koehler | 7-64, 6-2 |  | detalj meča |  Seville | zemlja |
| 16.07.13 | 1. kolo | Alexandra Cadantu | Maria Joao Koehler | 6-2, 6-4 | | detalj meča |  Bad Gastein | zemlja |
| 10.07.13 | 1. kolo | Kristina Mladenovic | Maria Joao Koehler | 6-1, 7-65 | | detalj meča |  Palermo | zemlja |
| 08.07.13 | kval. | Maria Joao Koehler | Anna Floris | 6-1, 7-5 |  | detalj meča | ||
| 07.07.13 | 2. kolo kval. | Maria Joao Koehler | Sara Sorribes Tormo | 6-4, 6-2 | | detalj meča | ||
| 06.07.13 | 1. kolo kval. | Maria Joao Koehler | Justyna Jegiolka | 6-2, 6-2 | | detalj meča | ||
| 28.05.13 | 1. kolo | Alize Cornet | Maria Joao Koehler | 7-5, 6-2 | | detalj meča |  Paris | zemlja |
| 20.05.13 | kval. | Mallory Burdette | Maria Joao Koehler | 4-6, 6-3, 6-0 | | detalj meča |  Brussels | zemlja |
| 19.05.13 | 2. kolo kval. | Maria Joao Koehler | Oksana Kalashnikova | 6-1, 6-3 | | detalj meča | ||
| 18.05.13 | 1. kolo kval. | Maria Joao Koehler | Lesley Pattinama Kerkhove | 6-4, 2-6, 6-3 | | detalj meča | ||
| 03.05.13 | 1. kolo kval. | Johanna Larsson | Maria Joao Koehler | 6-73, 6-3, 6-4 | | detalj meča | Madrid | zemlja |
| 29.04.13 | 1. kolo | Elena Vesnina | Maria Joao Koehler | 6-4, 6-1 | | detalj meča |  Oeiras | zemlja |
| 21.04.13 | 2. kolo kval. | Michaela Honcova | Maria Joao Koehler | 3-6, 6-4, 7-5 | | detalj meča |  Fes | zemlja |
| 20.04.13 | 1. kolo kval. | Maria Joao Koehler | Nadia Lalami | 6-1, 6-4 | | detalj meča | ||
| 07.04.13 | 2. kolo kval. | Katarzyna Piter | Maria Joao Koehler | 7-5, 6-3 | | detalj meča |  Katowice | zemlja |
| 06.04.13 | 1. kolo kval. | Maria Joao Koehler | Mervana Jugic-Salkic | 6-3, 6-2 | | detalj meča | ||
| 25.02.13 | 1. kolo | Estrella Cabeza-Candela | Maria Joao Koehler | 6-2, 6-0 | | detalj meča |  Acapulco | zemlja |
| 19.02.13 | 1. kolo | Alexandra Cadantu | Maria Joao Koehler | 6-0, 6-3 | | detalj meča |  Bogota | zemlja |
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