# Maria João Koehler

Maria João Koehler (born 8 October 1992) is a retired Portuguese tennis player.
Koehler won four singles and four doubles titles on the ITF Women's Circuit in her career. On 25 February 2013, she reached her best singles ranking of world No. 102. On 18 June 2012, she peaked at No. 151 in the doubles rankings.
Playing for the Portugal Fed Cup team, Koehler has a win–loss record of 11–20.

## Career

Born in Porto, Koehler made her debut on the ITF Women's Circuit at the age of 14 at a $10k event in Braga. Having qualified for the main draw, she lost her first match to Catarina Ferreira.
She made her WTA Tour main-draw debut at the 2009 Estoril Open. Having been awarded a wildcard, she played world No. 77, Kristina Barrois, in the first round, losing in straight sets.

## Grand Slam singles performance timeline

Key :
| W | F | SF | QF | #R | RR | Q# | DNQ | A | NH |
| Tournament | 2011 | 2012 | 2013 | 2014 | W–L |
| Australian Open | A | 1R | 2R | Q1 | 1–2 |
| French Open | A | A | 1R | A | 0–1 |
| Wimbledon | A | Q2 | 1R | A | 0–1 |
| US Open | Q1 | Q2 | 1R | A | 0–1 |
| Win–loss | 0–0 | 0–1 | 1–4 | 0–0 | 1–5 |

## ITF Circuit finals
### Singles: 12 (4 titles, 8 runner-ups)

* Legend
* $100,000 tournaments
* $50,000 tournaments
* $25,000 tournaments
* $10/15,000 tournaments
* Finals by surface
* Hard (3–6)
* Clay (0–2)
* Carpet (1–0)
| Result | W–L | Date | Tournament | Tier | Surface | Opponent | Score |
| Loss | 0–1 | Jun 2008 | ITF Montemor-o-Novo, Portugal | 10,000 | Hard | Mélanie Gloria | 7–6$^{(2)}$, 3–6, 1–6 |
| Win | 1–1 | May 2009 | ITF Cantanhede, Portugal | 10,000 | Carpet | Nanuli Pipiya | 6–4, 2–6, 6–1 |
| Win | 2–1 | Jun 2009 | ITF Amarante, Portugal | 10,000 | Hard | Mélanie Gloria | 6–3, 6–2 |
| Loss | 2–2 | Feb 2010 | ITF Vale do Lobo, Portugal | 10,000 | Hard | Julia Mayr | 1–6, 1–6 |
| Loss | 2–3 | Nov 2010 | ITF Mallorca, Spain | 10,000 | Clay | Lara Arruabarrena | 6–7$^{(2)}$, 3–6 |
| Loss | 2–4 | Jan 2011 | ITF Rabat, Morocco | 25,000 | Clay | Nina Bratchikova | 6–3, 4–6, 1–6 |
| Loss | 2–5 | Jul 2012 | ITF Donetsk, Ukraine | 50,000 | Hard | Vesna Dolonc | 2–6, 3–6 |
| Win | 3–5 | Jul 2012 | President's Cup, Kazakhstan | 100,000 | Hard | Marta Sirotkina | 7–5, 6–2 |
| Loss | 3–6 | Oct 2012 | Open de Touraine, France | 50,000 | Hard (i) | Monica Puig | 6–3, 4–6, 1–6 |
| Loss | 3–7 | Jul 2013 | President's Cup, Kazakhstan | 100,000 | Hard | Nadiia Kichenok | 4–6, 5–7 |
| Loss | 3–8 | Sep 2016 | ITF Ponta Delgada, Portugal | 10,000 | Hard | Inês Murta | 4–6, 6–3, 6–7$^{(7)}$ |
| Win | 4–8 | Jun 2018 | Guimarães Ladies Open, Portugal | 15,000 | Hard | Zeel Desai | 6–1, 3–6, 6–1 |

### Doubles: 8 (4 titles, 4 runner-ups)

* Legend
* $75,000 tournaments
* $50,000 tournaments
* $25,000 tournaments
* $10,000 tournaments
* Finals by surface
* Hard (2–0)
* Clay (2–3)
* Grass (0–1)
| Result | W–L | Date | Tournament | Tier | Surface | Partner | Opponents | Score |
| Win | 1–0 | May 2009 | ITF Vila Real de Santo António, Portugal | 10,000 | Clay | Joana Pangaio Pereira | Rebeca Bou Nogueiro Sheila Solsona Carcasona | 2–2 ret. |
| Loss | 1–1 | Nov 2010 | ITF Mallorca, Spain | 10,000 | Clay | Avgusta Tsybysheva | Lara Arruabarrena Inés Ferrer Suárez | 5–7, 2–6 |
| Loss | 1–2 | Nov 2010 | ITF Mallorca, Spain | 10,000 | Clay | Avgusta Tsybysheva | Diana Enache Raluca Elena Platon | 3–6, 6–7$^{(3)}$ |
| Win | 2–2 | Jul 2011 | ITF Cáceres, Spain | 25,000 | Hard | Richèl Hogenkamp | Victoria Larrière Irena Pavlovic | 6–4, 6–4 |
| Loss | 2–3 | Aug 2011 | ITF Sarajevo, Bosnia and Herzegovina | 25,000 | Clay | Florencia Molinero | Maria Abramović Ana Vrljić | 7–5, 6–7$^{(3)}$, [4–10] |
| Win | 3–3 | Sep 2011 | Zagreb Ladies Open, Croatia | 50,000 | Clay | Katalin Marosi | Maria Abramović Mihaela Buzărnescu | 6–0, 6–3 |
| Win | 4–3 | Sep 2011 | GB Pro-Series Shrewsbury, United Kingdom | 75,000 | Hard (i) | Katalin Marosi | Amanda Elliott Johanna Konta | 7–6$^{(3)}$, 6–1 |
| Loss | 4–4 | Jun 2012 | Nottingham Trophy, UK | 50,000 | Grass | Réka Luca Jani | Sally Peers Ashleigh Barty | 6–7$^{(2)}$, 6–3, [5–10] |