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 2016 / podloga: tvrda
Maria Joao Koehler / godina 2016 / podloga: tvrda
| 18.09.16 | Finale | Ines Murta | Maria Joao Koehler | 6-4, 3-6, 7-67 |  | detalj meča |  Ponta Delgada | tvrda |
| 17.09.16 | Polufinale | Maria Joao Koehler | Alba Carrillo Marin | 6-77, 6-4, 6-4 |  | detalj meča | ||
| 16.09.16 | Četvrtfinale | Maria Joao Koehler | Desirae Krawczyk | 6-4, 7-62 | | detalj meča | ||
| 14.09.16 | 2. kolo | Maria Joao Koehler | Elina Vikhryanova | 7-65, 7-5 | | detalj meča | ||
| 13.09.16 | 1. kolo | Maria Joao Koehler | Simone Simas | 6-0, 6-3 | | detalj meča | ||
| 10.09.16 | Polufinale | Alba Carrillo Marin | Maria Joao Koehler | 6-2, 6-1 | | detalj meča | Ponta Delgada | tvrda |
| 09.09.16 | Četvrtfinale | Maria Joao Koehler | Katharina Hering | 6-2, 5-7, 6-2 | | detalj meča | ||
| 07.09.16 | 2. kolo | Maria Joao Koehler | Elina Vikhryanova | 6-4, 6-3 | | detalj meča | ||
| 06.09.16 | 1. kolo | Maria Joao Koehler | Sofia Sualehe | 6-1, 6-1 | | detalj meča | ||
| 09.07.16 | Polufinale | Emma Laine | Maria Joao Koehler | 6-73, 6-0, 7-66 | | detalj meča | Lisbon | tvrda |
| 08.07.16 | Četvrtfinale | Maria Joao Koehler | Arabela Fernandez-Rabener | 6-1, 6-77, 6-1 | | detalj meča | ||
| 07.07.16 | 2. kolo | Maria Joao Koehler | Estelle Cascino | 6-0, 5-7, 6-1 | | detalj meča | ||
| 06.07.16 | 1. kolo | Maria Joao Koehler | Chiara Quattrone | 6-2, 6-0 | | detalj meča | ||
| 06.02.16 | Rubber 1 | Silvia Njiric | Maria Joao Koehler | 6-4, 6-3 | | detalj meča |  Fed Cup | tvrda |
| 04.02.16 | Rubber 1 | Maria Joao Koehler | Susanne Celik | 6-3, 6-4 | | detalj meča | ||
| 03.02.16 | Rubber 1 | Kateryna Volodko | Maria Joao Koehler | 6-4, 6-2 | | detalj meča |
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