| AO Wildcard Playoff - USA |
Round |
Result |
H |
A |
| 15.12. |
|
Williams R. - Kosakowski D. |
QF |
6-1, 6-4 |
|
|
| Tiburon challenger |
Round |
Result |
H |
A |
| 12.10. |
|
Blake J. - Kosakowski D. |
R16 |
6-2, 6-3 |
1.20 |
4.04 |
| 10.10. |
|
Kosakowski D. - Borvanov R. |
1R |
6-0, 3-6, 6-1 |
1.24 |
3.50 |
| Sacramento challenger |
Round |
Result |
H |
A |
| 06.10. |
|
Zverev M. - Kosakowski D. |
SF |
6-2, 6-2 |
1.57 |
2.25 |
| 05.10. |
|
Kosakowski D. - Viola M. |
QF |
6-4, 6-4 |
|
|
| 04.10. |
|
Kosakowski D. - McClune M. |
R16 |
4-6, 7-65, 6-2 |
|
|
| 02.10. |
|
Kosakowski D. - Becker B. |
1R |
7-5, 6-3 |
2.84 |
1.37 |
| Futures 2012 |
Round |
Result |
H |
A |
| 23.09. |
|
Kosakowski D. - Dadamo J. |
F |
6-4, 7-5 |
1.56 |
2.23 |
| 22.09. |
|
Kosakowski D. - Britton D. |
SF |
7-5, 7-65 |
1.36 |
2.94 |
| 21.09. |
|
Kosakowski D. - Nguyen D. |
QF |
2-6, 6-2, 6-3 |
1.28 |
3.42 |
| 19.09. |
|
Kosakowski D. - Thacher R. |
R16 |
6-0, 6-3 |
|
|
| 19.09. |
|
Kosakowski D. - Farren C. |
1R |
6-3, 6-1 |
|
|
| 16.09. |
|
Kosakowski D. - Amritraj P. |
F |
6-3, 6-1 |
1.66 |
2.10 |
| 15.09. |
|
Kosakowski D. - Nguyen D. |
SF |
7-63, 6-3 |
|
|
| 14.09. |
|
Kosakowski D. - Jung J. |
QF |
4-6, 6-1, 6-4 |
|
|
| 13.09. |
|
Kosakowski D. - Rowe R. |
R16 |
6-4, 7-64 |
|
|
| 12.09. |
|
Kosakowski D. - Altamirano C. |
1R |
6-2, 6-2 |
1.04 |
9.75 |
| US Open |
Round |
Result |
H |
A |
| 24.08. |
|
Moriya H. - Kosakowski D. |
Q-3R |
4-6, 7-65, 6-3 |
1.95 |
1.78 |
| 23.08. |
|
Kosakowski D. - Bedene A. |
Q-2R |
6-3, 3-6, 7-67 |
3.12 |
1.32 |
| 22.08. |
|
Kosakowski D. - Huta-Galung J. |
Q-1R |
6-4, 6-2 |
2.13 |
1.64 |
| Aptos challenger |
Round |
Result |
H |
A |
| 06.08. |
|
Tursunov D. - Kosakowski D. |
Q-QF |
6-1, 6-3 |
1.25 |
3.45 |
| 05.08. |
|
Kosakowski D. - Kryvonos N. |
Q-R16 |
6-3, 2-6, 6-2 |
|
|
| 04.08. |
|
Kosakowski D. - King-Turner D. |
Q-1R |
6-1, 6-4 |
|
|
| Lexington challenger |
Round |
Result |
H |
A |
| 24.07. |
|
Krajicek A. - Kosakowski D. |
1R |
6-4, 6-4 |
2.18 |
1.61 |
| Granby challenger |
Round |
Result |
H |
A |
| 16.07. |
|
Authom M. - Kosakowski D. |
1R |
7-64, 6-4 |
1.56 |
2.28 |
| Tallahassee chall. |
Round |
Result |
H |
A |
| 04.04. |
|
Reynolds B. - Kosakowski D. |
R16 |
3-6, 6-3, 6-2 |
1.25 |
3.68 |
| 02.04. |
|
Kosakowski D. - Seifert S. |
1R |
6-3, 5-7, 7-66 |
2.42 |
1.50 |
| 01.04. |
|
Emmrich M. - Kosakowski D. |
Q-QF |
6-4, 6-2 |
|
|
| 31.03. |
|
Kosakowski D. - Wolmarans F. |
Q-R16 |
6-1, 6-3 |
|
|
| 30.03. |
|
Kosakowski D. - Zavala J. |
Q-1R |
3-6, 6-3, 6-4 |
|
|
| Futures 2012 |
Round |
Result |
H |
A |
| 21.03. |
|
Garanganga T. - Kosakowski D. |
R16 |
6-4, 7-5 |
|
|
| 20.03. |
|
Kosakowski D. - Sarkissian A. |
1R |
6-2, 6-2 |
|
|
| 19.03. |
|
Sandgren T. - Kosakowski D. |
F |
6-3, 7-5 |
|
|
| 16.03. |
|
Kosakowski D. - Ball C. |
SF |
6-4, 6-4 |
|
|
| 15.03. |
|
Kosakowski D. - Baker B. |
QF |
6-4, 6-4 |
|
|
| 14.03. |
|
Kosakowski D. - Bangoura S. |
R16 |
6-0, 7-5 |
|
|
| 13.03. |
|
Kosakowski D. - Lindahl N. |
1R |
7-5, 7-5 |
|
|
| Indian Wells |
Round |
Result |
H |
A |
| 07.03. |
|
Lorenzi P. - Kosakowski D. |
Q-2R |
6-2, 7-64 |
1.46 |
2.53 |
| 07.03. |
|
Kosakowski D. - Chiudinelli M. |
Q-1R |
7-65, 6-3 |
6.19 |
1.11 |
| Futures 2012 |
Round |
Result |
H |
A |
| 02.03. |
|
Fabbiano T. - Kosakowski D. |
QF |
6-3, 7-6 |
1.44 |
2.62 |
| 29.02. |
|
Kosakowski D. - Lacroix A. |
R16 |
3-6, 7-63, 6-4 |
|
|
| 28.02. |
|
Kosakowski D. - Cutura M. |
1R |
7-5, 6-1 |
|
|
| 23.02. |
|
Polansky P. - Kosakowski D. |
QF |
6-2, 6-1 |
|
|
| 22.02. |
|
Kosakowski D. - Luetjen J. |
R16 |
6-4, 2-6, 6-2 |
|
|
| 21.02. |
|
Kosakowski D. - O'Brien D. |
1R |
7-5, 6-2 |
|
|