![File:2013 US Open (Tennis) - Qualifying Round - Maria Joao Koehler (9712743598).jpg - Wikimedia Commons File:2013 US Open (Tennis) - Qualifying Round - Maria Joao Koehler (9712743598).jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/b/b9/2013_US_Open_%28Tennis%29_-_Qualifying_Round_-_Maria_Joao_Koehler_%289712743598%29.jpg)
File:2013 US Open (Tennis) - Qualifying Round - Maria Joao Koehler (9712743598).jpg - Wikimedia Commons
![Alize Cornet of France celebrates defeating Maria Joao Koehler of Portugal in their women's singles match during the French Open tennis tournament at the Roland Garros stadium in Paris May 28, 2013. Alize Cornet of France celebrates defeating Maria Joao Koehler of Portugal in their women's singles match during the French Open tennis tournament at the Roland Garros stadium in Paris May 28, 2013.](https://c8.alamy.com/comp/2CYH3AJ/alize-cornet-of-france-celebrates-defeating-maria-joao-koehler-of-portugal-in-their-womens-singles-match-during-the-french-open-tennis-tournament-at-the-roland-garros-stadium-in-paris-may-28-2013-reutersgonzalo-fuentes-france-tags-sport-tennis-2CYH3AJ.jpg)
Alize Cornet of France celebrates defeating Maria Joao Koehler of Portugal in their women's singles match during the French Open tennis tournament at the Roland Garros stadium in Paris May 28, 2013.
![Jelena Jankovic of Serbia (R) shakes hands with Maria Joao Koehler of Portugal after winning their women's singles match at the Australian Open tennis tournament in Melbourne January 16, 2013. REUTERS/Navesh Chitrakar ( Jelena Jankovic of Serbia (R) shakes hands with Maria Joao Koehler of Portugal after winning their women's singles match at the Australian Open tennis tournament in Melbourne January 16, 2013. REUTERS/Navesh Chitrakar (](https://c8.alamy.com/comp/2D0M2YP/jelena-jankovic-of-serbia-r-shakes-hands-with-maria-joao-koehler-of-portugal-after-winning-their-womens-singles-match-at-the-australian-open-tennis-tournament-in-melbourne-january-16-2013-reutersnavesh-chitrakar-australia-tags-sport-tennis-2D0M2YP.jpg)
Jelena Jankovic of Serbia (R) shakes hands with Maria Joao Koehler of Portugal after winning their women's singles match at the Australian Open tennis tournament in Melbourne January 16, 2013. REUTERS/Navesh Chitrakar (
![File:2013 US Open (Tennis) - Qualifying Round - Maria Joao Koehler (9712736470).jpg - Wikimedia Commons File:2013 US Open (Tennis) - Qualifying Round - Maria Joao Koehler (9712736470).jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/thumb/b/bf/2013_US_Open_%28Tennis%29_-_Qualifying_Round_-_Maria_Joao_Koehler_%289712736470%29.jpg/1847px-2013_US_Open_%28Tennis%29_-_Qualifying_Round_-_Maria_Joao_Koehler_%289712736470%29.jpg)
File:2013 US Open (Tennis) - Qualifying Round - Maria Joao Koehler (9712736470).jpg - Wikimedia Commons
![Roberta Vinci of Italy returns a ball to Maria Joao Koehler of Portugal during the Estoril Tennis Open in Jamor May 2, 2012. REUTERS/Jose Manuel Ribeiro (PORTUGAL - Tags: SPORT TENNIS Stock Roberta Vinci of Italy returns a ball to Maria Joao Koehler of Portugal during the Estoril Tennis Open in Jamor May 2, 2012. REUTERS/Jose Manuel Ribeiro (PORTUGAL - Tags: SPORT TENNIS Stock](https://c8.alamy.com/comp/2E606M2/roberta-vinci-of-italy-returns-a-ball-to-maria-joao-koehler-of-portugal-during-the-estoril-tennis-open-in-jamor-may-2-2012-reutersjose-manuel-ribeiro-portugal-tags-sport-tennis-2E606M2.jpg)
Roberta Vinci of Italy returns a ball to Maria Joao Koehler of Portugal during the Estoril Tennis Open in Jamor May 2, 2012. REUTERS/Jose Manuel Ribeiro (PORTUGAL - Tags: SPORT TENNIS Stock
![Tennis: Brandell-Larsen and Koehler-Kraljic are doubles champs at Elk River Open | Sports | hometownsource.com Tennis: Brandell-Larsen and Koehler-Kraljic are doubles champs at Elk River Open | Sports | hometownsource.com](https://bloximages.chicago2.vip.townnews.com/hometownsource.com/content/tncms/assets/v3/editorial/6/8a/68af4c81-cc1a-5e98-ae68-ef8ea71b56db/599d83321da36.image.jpg)
Tennis: Brandell-Larsen and Koehler-Kraljic are doubles champs at Elk River Open | Sports | hometownsource.com
![File:2013 US Open (Tennis) - Qualifying Round - Maria Joao Koehler (9709490773).jpg - Wikimedia Commons File:2013 US Open (Tennis) - Qualifying Round - Maria Joao Koehler (9709490773).jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/e/e3/2013_US_Open_%28Tennis%29_-_Qualifying_Round_-_Maria_Joao_Koehler_%289709490773%29.jpg)