|   Calabasas challenger | 
			Round | 
			Result | 
			H | 
			A | 
		
		
			| 20.10. | 
			  | 
			Jones G. - Kosakowski D. | 
			1R | 
			6-2, 6-3 | 
			1.29 | 
			3.25 | 
		
		
			| 18.10. | 
			  | 
			Kosakowski D. - Klingemann C. | 
			Q-QF | 
			2-6, 7-5, 7-6 | 
			  | 
			  | 
		
		
			| 17.10. | 
			  | 
			Kosakowski D. - Anderson A. | 
			Q-R16 | 
			2-6, 7-5, 6-2 | 
			  | 
			  | 
		
		
			| 16.10. | 
			  | 
			Kosakowski D. - Bartlett A. | 
			Q-1R | 
			6-2, 6-4 | 
			  | 
			  | 
		
		
			|   Tiburon challenger | 
			Round | 
			Result | 
			H | 
			A | 
		
		
			| 14.10. | 
			  | 
			Kamke T. - Kosakowski D. | 
			R16 | 
			6-2, 6-3 | 
			1.15 | 
			4.67 | 
		
		
			| 12.10. | 
			  | 
			Kosakowski D. - Guccione C. | 
			1R | 
			5-4 | 
			4.59 | 
			1.15 | 
		
		
			|   Futures 2010 | 
			Round | 
			Result | 
			H | 
			A | 
		
		
			| 02.10. | 
			  | 
			Guccione C. - Kosakowski D. | 
			F | 
			6-3, 6-4 | 
			  | 
			  | 
		
		
			| 01.10. | 
			  | 
			Kosakowski D. - Basilashvili N. | 
			SF | 
			7-5, 6-0 | 
			  | 
			  | 
		
		
			| 30.09. | 
			  | 
			Kosakowski D. - Bangoura S. | 
			QF | 
			6-3, 6-1 | 
			  | 
			  | 
		
		
			| 29.09. | 
			  | 
			Kosakowski D. - Kutrovsky D. | 
			R16 | 
			7-5, 5-7, 6-1 | 
			  | 
			  | 
		
		
			| 28.09. | 
			  | 
			Kosakowski D. - Brooklyn M. | 
			1R | 
			4-6, 6-3, 6-2 | 
			  | 
			  | 
		
		
			| 27.09. | 
			  | 
			Kosakowski D. - Smith X. | 
			Q-R16 | 
			6-4, 7-65 | 
			  | 
			  | 
		
		
			| 26.09. | 
			  | 
			Kosakowski D. - Kazarian J. | 
			Q-3R | 
			6-1, 6-4 | 
			  | 
			  | 
		
		
			| 25.09. | 
			  | 
			Kosakowski D. - Cutler C. | 
			Q-2R | 
			6-3, 6-3 | 
			  | 
			  | 
		
		
			| 21.09. | 
			  | 
			Benneteau A. - Kosakowski D. | 
			1R | 
			1-6, 6-3, 6-3 | 
			  | 
			  | 
		
		
			| 20.09. | 
			  | 
			Kosakowski D. - Kielbowicz J. | 
			Q-R16 | 
			6-1, 6-2 | 
			  | 
			  | 
		
		
			| 19.09. | 
			  | 
			Kosakowski D. - Spearman C. | 
			Q-3R | 
			6-0, 6-1 | 
			  | 
			  | 
		
		
			| 18.09. | 
			  | 
			Kosakowski D. - McMorrow K. | 
			Q-2R | 
			 | 
			  | 
			  | 
		
		
			| 17.09. | 
			  | 
			Kosakowski D. - Gast E. | 
			Q-1R | 
			6-0, 6-0 | 
			  | 
			  | 
		
		
			| 15.09. | 
			  | 
			Sacks G. - Kosakowski D. | 
			R16 | 
			7-64, 6-2 | 
			  | 
			  | 
		
		
			| 14.09. | 
			  | 
			Kosakowski D. - Kielbowicz J. | 
			1R | 
			6-4, 6-3 | 
			  | 
			  | 
		
		
			|   Los Angeles | 
			Round | 
			Result | 
			H | 
			A | 
		
		
			| 24.07. | 
			  | 
			Bozoljac I. - Kosakowski D. | 
			Q-1R | 
			6-4, 6-4 | 
			  | 
			  | 
		
		
			|   Aptos challenger | 
			Round | 
			Result | 
			H | 
			A | 
		
		
			| 12.07. | 
			  | 
			Raonic M. - Kosakowski D. | 
			1R | 
			6-3, 6-3 | 
			1.16 | 
			4.38 | 
		
		
			|   Futures 2010 | 
			Round | 
			Result | 
			H | 
			A | 
		
		
			| 28.06. | 
			  | 
			Ilyushin A. - Kosakowski D. | 
			Q-R16 | 
			7-5, 6-0 | 
			  | 
			  | 
		
		
			| 27.06. | 
			  | 
			Kosakowski D. - Sweeney S. | 
			Q-2R | 
			6-4, 6-1 | 
			  | 
			  | 
		
		
			| 26.06. | 
			  | 
			Kosakowski D. - Silverman C. | 
			Q-1R | 
			6-3, 6-2 | 
			  | 
			  | 
		
		
			| 23.06. | 
			  | 
			Klaasen R. - Kosakowski D. | 
			R16 | 
			6-4, 1-6, 7-64 | 
			  | 
			  | 
		
		
			| 22.06. | 
			  | 
			Kosakowski D. - Giron M. | 
			1R | 
			7-5, 7-67 | 
			  | 
			  | 
		
		
			|   Ojai challenger | 
			Round | 
			Result | 
			H | 
			A | 
		
		
			| 30.05. | 
			  | 
			Parr C. - Kosakowski D. | 
			Q-1R | 
			6-7, 7-6, 6-4 | 
			  | 
			  | 
		
		
			|   Carson 2 challenger | 
			Round | 
			Result | 
			H | 
			A | 
		
		
			| 24.05. | 
			  | 
			Young D. - Kosakowski D. | 
			1R | 
			6-1, 6-1 | 
			1.05 | 
			7.28 | 
		
		
			|   Savannah challenger | 
			Round | 
			Result | 
			H | 
			A | 
		
		
			| 03.05. | 
			  | 
			Reynolds B. - Kosakowski D. | 
			1R | 
			4-6, 6-4, 6-0 | 
			1.05 | 
			7.96 | 
		
		
			|   Futures 2010 | 
			Round | 
			Result | 
			H | 
			A | 
		
		
			| 28.02. | 
			  | 
			Bakalov B. - Kosakowski D. | 
			Q-2R | 
			6-1, 6-2 | 
			  | 
			  | 
		
		
			| 27.02. | 
			  | 
			Kosakowski D. - Fosado Lopez M. | 
			Q-1R | 
			6-1, 6-1 | 
			  | 
			  | 
		
		
			| 24.02. | 
			  | 
			Bocko M. - Kosakowski D. | 
			R16 | 
			6-2, 6-0 | 
			  | 
			  | 
		
		
			| 23.02. | 
			  | 
			Kosakowski D. - Maher J. | 
			1R | 
			6-4, 64-7, 6-4 | 
			  | 
			  |