 Turkey: Istanbul 9 - Singles - Main |
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| 1/16-finals | Ospina D. | Hozumi E. | 0:2 (3:6, 4:6) | detalhes | 25.12.2012 |
 Canada: Quebec City - Singles - Qualification |
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| Quarter-finals | Rogers S. | Ospina D. | 2:0 (6:2, 6:2) | detalhes | 08.09.2012 |
 USA: Yakima - Singles - Main |
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| 1/8-finals | Hibi M. | Ospina D. | 2:1 (7:5, 4:6, 6:4) | detalhes | 12.07.2012 |
| 1/16-finals | Ospina D. | Nejedly J. | 2:0 (6:2, 6:3) | detalhes | 11.07.2012 |
| USA: El Paso - Singles - Main |
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| 1/16-finals | Crawford S. | Ospina D. | 2:1 (4:6, 6:2, 7:5) | detalhes | 06.06.2012 |
| USA: Sacramento - Singles - Main |
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| 1/16-finals | Muhammad A. | Ospina D. | 2:0 (6:4, 7:6) | detalhes | 30.05.2012 |
| USA: Plantation - Singles - Qualification |
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| Semi-finals | Ospina D. | Litvak L. | 1:2 (4:6, 6:3, 1:6) | detalhes | 16.01.2012 |
| Quarter-finals | Ospina D. | Suarez D. | 2:0 (6:4, 6:4) | detalhes | 15.01.2012 |
| USA: Innisbrook - Singles - Qualification |
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| Semi-finals | Kisialeva V. | Ospina D. | 2:0 (6:4, 7:6) | detalhes | 09.01.2012 |
| Quarter-finals | Noury T. | Ospina D. | 0:2 (1:6, 2:6) | detalhes | 08.01.2012 |
| USA: Redding - Singles - Main |
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| 1/16-finals | Tsay E. | Ospina D. | 2:0 (6:1, 6:3) | detalhes | 13.09.2011 |
| USA: US Open - Singles - Qualification |
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| Quarter-finals | Knapp K. | Ospina D. | 2:0 (6:4, 7:5) | detalhes | 22.08.2006 |
| Canada: Quebec City - Singles - Main |
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| 1/16-finals | Salerni M. | Ospina D. | 2:1 (7:6, 1:6, 6:3) | detalhes | 01.11.2005 |
 Australia: Australian Open - Singles - Qualification |
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| Quarter-finals | Diaz-Oliva M. | Ospina D. | 2:0 (6:4, 7:68) | detalhes | 14.01.2004 |
| USA: Memphis - Singles - Main |
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| 1/16-finals | Goloviznina M. | Ospina D. | 2:0 (6:2, 6:3) | detalhes | 18.02.2003 |
| USA: US Open - Singles - Qualification |
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| Quarter-finals | Dubbers N. | Ospina D. | 2:0 (7:68, 7:5) | detalhes | 21.08.2001 |