|   Puerto Vallarta challenger | 
			Round | 
			Result | 
			H | 
			A | 
		
		
			| 24.11. | 
			  | 
			Cuevas P. - Kovacevic A. | 
			1R | 
			7-5, 6-4 | 
			2.66 | 
			1.44 | 
		
		
			|   Champaign challenger | 
			Round | 
			Result | 
			H | 
			A | 
		
		
			| 17.11. | 
			  | 
			Brouwer G. - Kovacevic A. | 
			1R | 
			7-5, 3-6, 7-65 | 
			2.06 | 
			1.72 | 
		
		
			|   Knoxville challenger | 
			Round | 
			Result | 
			H | 
			A | 
		
		
			| 09.11. | 
			  | 
			Sock J. - Kovacevic A. | 
			1R | 
			7-64, 7-5 | 
			1.47 | 
			2.58 | 
		
		
			|   Las Vegas challenger | 
			Round | 
			Result | 
			H | 
			A | 
		
		
			| 30.10. | 
			  | 
			Kozlov S. - Kovacevic A. | 
			SF | 
			6-2, 6-4 | 
			1.73 | 
			2.06 | 
		
		
			| 29.10. | 
			  | 
			Kovacevic A. - Daniel T. | 
			QF | 
			6-3, 6-2 | 
			2.39 | 
			1.54 | 
		
		
			| 28.10. | 
			  | 
			Kovacevic A. - Altmaier D. | 
			R16 | 
			7-67, 6-3 | 
			2.98 | 
			1.36 | 
		
		
			| 27.10. | 
			  | 
			Kovacevic A. - Eubanks C. | 
			1R | 
			6-1, 3-6, 7-65 | 
			2.56 | 
			1.47 | 
		
		
			|   Indian Wells | 
			Round | 
			Result | 
			H | 
			A | 
		
		
			| 05.10. | 
			  | 
			Gomez E. - Kovacevic A. | 
			Q-1R | 
			6-4, 6-2 | 
			1.68 | 
			2.14 | 
		
		
			|   Columbus 3 challenger | 
			Round | 
			Result | 
			H | 
			A | 
		
		
			| 22.09. | 
			  | 
			Gunneswaran P. - Kovacevic A. | 
			1R | 
			3-6, 6-3, 7-5 | 
			2.24 | 
			1.60 | 
		
		
			| 20.09. | 
			  | 
			Kovacevic A. - Mochizuki S. | 
			Q-QF | 
			6-3, 6-4 | 
			1.44 | 
			2.60 | 
		
		
			| 19.09. | 
			  | 
			Kovacevic A. - Hong S. | 
			Q-R16 | 
			4-6, 7-5, 7-5 | 
			1.33 | 
			3.04 | 
		
		
			|   Cary 2 challenger | 
			Round | 
			Result | 
			H | 
			A | 
		
		
			| 15.09. | 
			  | 
			Kudla D. - Kovacevic A. | 
			R16 | 
			62-7, 6-2, 6-3 | 
			1.35 | 
			3.04 | 
		
		
			| 14.09. | 
			  | 
			Kovacevic A. - Johns G. | 
			1R | 
			7-63, 6-4 | 
			1.11 | 
			5.99 | 
		
		
			| 13.09. | 
			  | 
			Kovacevic A. - Kirchheimer S. | 
			Q-QF | 
			6-3, 6-4 | 
			1.38 | 
			2.87 | 
		
		
			| 12.09. | 
			  | 
			Kovacevic A. - Watane A. | 
			Q-R16 | 
			6-1, 6-2 | 
			1.05 | 
			8.27 | 
		
		
			|   US Open | 
			Round | 
			Result | 
			H | 
			A | 
		
		
			| 27.08. | 
			  | 
			Trungelliti M. - Kovacevic A. | 
			Q-3R | 
			3-6, 7-66, 7-5 | 
			1.68 | 
			2.14 | 
		
		
			| 27.08. | 
			  | 
			Kovacevic A. - Bonzi B. | 
			Q-2R | 
			6-3, 6-4 | 
			4.70 | 
			1.18 | 
		
		
			| 25.08. | 
			  | 
			Kovacevic A. - Giustino L. | 
			Q-1R | 
			3-6, 7-62, 6-1 | 
			1.90 | 
			1.85 | 
		
		
			|   Verona challenger | 
			Round | 
			Result | 
			H | 
			A | 
		
		
			| 15.08. | 
			  | 
			Forti F. - Kovacevic A. | 
			Q-R16 | 
			7-65, 6-4 | 
			1.41 | 
			2.71 | 
		
		
			|   Futures 2021 | 
			Round | 
			Result | 
			H | 
			A | 
		
		
			| 05.08. | 
			  | 
			Yamasaki J. - Kovacevic A. | 
			1R | 
			6-4, 3-6, 6-3 | 
			4.26 | 
			1.19 | 
		
		
			|   Lexington challenger | 
			Round | 
			Result | 
			H | 
			A | 
		
		
			| 25.07. | 
			  | 
			Crawford O. - Kovacevic A. | 
			Q-R16 | 
			7-67, 7-5 | 
			1.81 | 
			1.87 | 
		
		
			|   Cary challenger | 
			Round | 
			Result | 
			H | 
			A | 
		
		
			| 20.07. | 
			  | 
			Ramanathan R. - Kovacevic A. | 
			1R | 
			6-4, 5-7, 6-4 | 
			1.52 | 
			2.43 | 
		
		
			| 19.07. | 
			  | 
			Kovacevic A. - Shelton B. | 
			Q-QF | 
			6-3, 6-4 | 
			1.34 | 
			3.03 | 
		
		
			| 18.07. | 
			  | 
			Kovacevic A. - Novikov D. | 
			Q-R16 | 
			7-65, 7-66 | 
			1.25 | 
			3.60 | 
		
		
			|   Little Rock challenger | 
			Round | 
			Result | 
			H | 
			A | 
		
		
			| 30.05. | 
			  | 
			Kirchheimer S. - Kovacevic A. | 
			Q-R16 | 
			6-4, 65-7, 7-62 | 
			2.33 | 
			1.52 | 
		
		
			|   Tallahassee chall. | 
			Round | 
			Result | 
			H | 
			A | 
		
		
			| 18.04. | 
			  | 
			Jianu F. - Kovacevic A. | 
			Q-R16 | 
			6-4, 5-7, 7-64 | 
			1.97 | 
			1.75 | 
		
		
			|   Orlando challenger | 
			Round | 
			Result | 
			H | 
			A | 
		
		
			| 15.04. | 
			  | 
			Harrison C. - Kovacevic A. | 
			R16 | 
			6-4, 6-3 | 
			1.40 | 
			2.85 | 
		
		
			| 13.04. | 
			  | 
			Kovacevic A. - Quiroz R. | 
			1R | 
			6-1, 5-7, 6-4 | 
			1.75 | 
			2.01 | 
		
		
			|   Cleveland challenger | 
			Round | 
			Result | 
			H | 
			A | 
		
		
			| 20.03. | 
			  | 
			Fratangelo B. - Kovacevic A. | 
			SF | 
			6-3, 2-6, 6-1 | 
			1.37 | 
			2.99 | 
		
		
			| 19.03. | 
			  | 
			Kovacevic A. - Watanuki Y. | 
			QF | 
			5-7, 6-2, 6-3 | 
			2.47 | 
			1.50 | 
		
		
			| 17.03. | 
			  | 
			Kovacevic A. - Smith R. | 
			R16 | 
			7-64, 6-3 | 
			1.44 | 
			2.69 | 
		
		
			| 16.03. | 
			  | 
			Kovacevic A. - Cid Subervi R. | 
			1R | 
			6-2, 6-4 | 
			1.70 | 
			2.07 | 
		
		
			| 15.03. | 
			  | 
			Kovacevic A. - Pervolarakis M. | 
			Q-QF | 
			6-4, 6-2 | 
			1.53 | 
			2.36 | 
		
		
			| 14.03. | 
			  | 
			Kovacevic A. - Gomez A. | 
			Q-R16 | 
			6-2, 2-6, 6-4 | 
			1.50 | 
			2.45 | 
		
		
			|   Futures 2021 | 
			Round | 
			Result | 
			H | 
			A | 
		
		
			| 17.02. | 
			  | 
			Denolly C. - Kovacevic A. | 
			1R | 
			6-0, 6-3 | 
			1.33 | 
			3.07 | 
		
		
			| 16.02. | 
			  | 
			Kovacevic A. - Zhu M. | 
			Q-R16 | 
			7-5, 4-6, 11-9 | 
			1.26 | 
			3.48 | 
		
		
			| 15.02. | 
			  | 
			Kovacevic A. - Flores J. | 
			Q-1R | 
			6-3, 7-5 | 
			  | 
			  |