![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)
File:2013 US Open (Tennis) - Qualifying Round - Maria Joao Koehler (9709490773).jpg - Wikimedia Commons
![Maria Joao Koehler of Portugal returns the ball to Ayumi Morita of Japan during their women's singles match at the Estoril Tennis Open in Jamor May 1, 2012. REUTERS/Jose Manuel Ribeiro (PORTUGAL - Maria Joao Koehler of Portugal returns the ball to Ayumi Morita of Japan during their women's singles match at the Estoril Tennis Open in Jamor May 1, 2012. REUTERS/Jose Manuel Ribeiro (PORTUGAL -](https://c8.alamy.com/comp/2E69N01/maria-joao-koehler-of-portugal-returns-the-ball-to-ayumi-morita-of-japan-during-their-womens-singles-match-at-the-estoril-tennis-open-in-jamor-may-1-2012-reutersjose-manuel-ribeiro-portugal-tags-sport-tennis-2E69N01.jpg)
Maria Joao Koehler of Portugal returns the ball to Ayumi Morita of Japan during their women's singles match at the Estoril Tennis Open in Jamor May 1, 2012. REUTERS/Jose Manuel Ribeiro (PORTUGAL -
![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
![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)