 USA: Stanford - Singles - Qualification |
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| Quarter-finals | Rampre P. | Hardebeck K. | 2:1 (2:6, 6:3, 6:2) | details | 20.07.2013 |
| USA: Portland - Singles - Main |
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| 1/16-finals | Hardebeck K. | Rampre P. | 1:2 (6:4, 65:7, 4:6) | details | 16.07.2013 |
| USA: Rancho Mirage - Singles - Main |
|---|
| 1/16-finals | Hardebeck K. | Chirico L. | 0:2 (2:6, 5:7) | details | 06.02.2013 |
| USA: US Open - Singles - Qualification |
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| Semi-finals | Hardebeck K. | Maria T. | 0:2 (1:6, 2:6) | details | 23.08.2012 |
| Quarter-finals | Hendler T. | Hardebeck K. | 1:2 (67:7, 7:5, 63:7) | details | 21.08.2012 |
 Canada: Vancouver - Singles - Main |
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| 1/8-finals | Hardebeck K. | Keys M. | 0:2 (1:6, 2:6) | details | 02.08.2012 |
| 1/16-finals | Hardebeck K. | Weinhold A. | 2:1 (3:6, 6:2, 7:5) | details | 01.08.2012 |
| USA: Lexington - Singles - Main |
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| 1/16-finals | Glushko J. | Hardebeck K. | 2:0 (7:65, 6:3) | details | 25.07.2012 |
| Canada: Waterloo - Singles - Main |
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| 1/16-finals | Eguchi M. | Hardebeck K. | 2:0 (6:3, 6:2) | details | 09.07.2012 |
| USA: Denver - Singles - Main |
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| 1/16-finals | Hardebeck K. | Paz G. | 1:2 (3:6, 7:5, 6:7) | details | 04.07.2012 |
| USA: Indian Harbour Beach - Singles - Main |
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| Semi-finals | Min G. | Hardebeck K. | 2:1 (2:6, 7:5, 6:1) | details | 05.05.2012 |
| Quarter-finals | Hardebeck K. | Scholl C. | 2:0 (6:3, 6:2) | details | 04.05.2012 |
| 1/8-finals | Hardebeck K. | Sotnikova A. | 2:0 (7:5, 6:2) | details | 03.05.2012 |
| 1/16-finals | Riske-Amritraj A. | Hardebeck K. | 0:2 (2:6, 4:6) | details | 02.05.2012 |
| USA: Jackson - Singles - Main |
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| 1/8-finals | Doi M. | Hardebeck K. | 2:0 (6:2, 6:0) | details | 05.04.2012 |
| 1/16-finals | De La Torre-Sanchez R. | Hardebeck K. | 0:2 (1:6, 2:6) | details | 04.04.2012 |
| USA: Rancho Mirage - Singles - Main |
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| 1/8-finals | Solovyeva V. | Hardebeck K. | 2:0 (6:4, 6:4) | details | 09.02.2012 |
| 1/16-finals | Sanchez M. | Hardebeck K. | 1:2 (6:4, 4:6, 2:6) | details | 08.02.2012 |
| USA: W25 Rancho Santa Fe - Singles - Main |
|---|
| Semi-finals | Hardebeck K. | Davis L. | 1:2 (7:6, 2:6, 0:6) | details | 04.02.2012 |
| Quarter-finals | Hardebeck K. | Lu J. | 2:0 (6:2, 6:0) | details | 03.02.2012 |
| 1/8-finals | Konta J. | Hardebeck K. | 0:2 (5:7, 2:6) | details | 02.02.2012 |
| 1/16-finals | Hardebeck K. | Keys M. | 2:0 (7:5, 6:1) | details | 01.02.2012 |
| USA: Rock Hill - Singles - Main |
|---|
| Quarter-finals | Collins D. | Hardebeck K. | 2:1 (6:2, 3:6, 6:4) | details | 21.10.2011 |
| 1/8-finals | Lim A. | Hardebeck K. | 0:1 RET. (5:7, 0:1) | details | 20.10.2011 |
| 1/16-finals | Hardebeck K. | Weinhold A. | 2:0 (7:64, 6:3) | details | 19.10.2011 |
| USA: Rock Hill - Singles - Qualification |
|---|
| Final | Hardebeck K. | Sanchez M. | 2:1 (4:6, 6:2, 7:5) | details | 18.10.2011 |
| Semi-finals | Hardebeck K. | Leacock Y. | 2:0 (6:2, 6:3) | details | 17.10.2011 |
| USA: W60 Las Vegas, NV - Singles - Main |
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| 1/8-finals | Sanchez M. | Hardebeck K. | 2:0 (6:3, 6:2) | details | 29.09.2011 |
| 1/16-finals | Hardebeck K. | Lucic-Baroni M. | 2:0 (7:64, 6:4) | details | 28.09.2011 |
| USA: US Open - Singles - Qualification |
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| 1/64-finals | Hardebeck K. | Scholl C. | 0:2 (0:6, 2:6) | details | 24.08.2011 |
| USA: Stanford - Singles - Qualification |
|---|
| Quarter-finals | Aoyama S. | Hardebeck K. | 2:0 (6:3, 7:64) | details | 23.07.2011 |
| USA: Charleston - Singles - Qualification |
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| Quarter-finals | Hardebeck K. | Savchuk O. | 1:2 (66:7, 6:4, 3:6) | details | 02.04.2011 |
| USA: Indian Wells - Singles - Qualification |
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| Semi-finals | Johansson M. | Hardebeck K. | 2:1 (4:6, 7:5, 6:3) | details | 07.03.2011 |
| USA: US Open - Singles - Qualification |
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| Semi-finals | Mayr-Achleitner P. | Hardebeck K. | 2:0 (6:4, 6:4) | details | 27.08.2010 |
| Quarter-finals | Hardebeck K. | Sema Y. | 2:0 (6:4, 6:4) | details | 26.08.2010 |