![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 -
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