| Tarvisio ITF | Round | Result | H | A | 
		
			| 01.07. |  | Jakupovic D. - Marcinko P. | QF | 6-2, 6-1 | 3.25 | 1.29 | 
		
			| 30.06. |  | Marcinko P. - Erjavec V. | R16 | 7-5, 6-1 | 1.10 | 5.80 | 
		
			| 29.06. |  | Marcinko P. - Ghioroaie Y. | 1R | 6-1, 7-5 | 1.16 | 4.42 | 
		
			| Prokuplje ITF | Round | Result | H | A | 
		
			| 25.06. |  | Wurth T. - Marcinko P. | SF | 6-3, 7-5 | 2.73 | 1.41 | 
		
			| 24.06. |  | Marcinko P. - Ghioroaie Y. | QF | 6-2, 7-65 | 1.14 | 4.95 | 
		
			| 23.06. |  | Marcinko P. - Lodikova D. | R16 | 6-0, 6-3 | 1.11 | 5.69 | 
		
			| 22.06. |  | Marcinko P. - Radanovic D. | 1R | 6-1, 1-0 | 1.13 | 5.10 | 
		
			| Caserta ITF | Round | Result | H | A | 
		
			| 08.06. |  | Rosatello C. - Marcinko P. | 1R | 7-5, 2-6, 7-62 | 3.16 | 1.30 | 
		
			| Rabat | Round | Result | H | A | 
		
			| 17.05. |  | Sharma A. - Marcinko P. | R16 | 5-7, 6-3, 6-3 | 3.18 | 1.35 | 
		
			| 15.05. |  | Marcinko P. - Peterson R. | 1R | 6-0, 2-6, 7-5 | 1.79 | 2.01 | 
		
			| Split ITF | Round | Result | H | A | 
		
			| 05.05. |  | Naito Y. - Marcinko P. | R16 | 6-3, 0-0 | 2.61 | 1.44 | 
		
			| 04.05. |  | Marcinko P. - Cvetkovic T. | 1R | 6-1, 6-2 | 1.06 | 7.52 | 
		
			| Zagreb ITF | Round | Result | H | A | 
		
			| 29.04. |  | Niemeier J. - Marcinko P. | SF | 7-64, 6-1 | 2.00 | 1.70 | 
		
			| 28.04. |  | Marcinko P. - Zavatska K. | QF | 6-3, 6-1 | 1.51 | 2.39 | 
		
			| 27.04. |  | Marcinko P. - Papamichail D. | R16 | 6-1, 6-3 | 1.16 | 4.73 | 
		
			| 25.04. |  | Marcinko P. - Ferrando C. | 1R | 4-6, 6-4, 7-5 | 1.18 | 4.27 | 
		
			| Oeiras 2 ITF | Round | Result | H | A | 
		
			| 07.04. |  | Galfi D. - Marcinko P. | R16 | 6-0, 4-6, 6-4 | 2.25 | 1.57 | 
		
			| 05.04. |  | Marcinko P. - Zhu L. | 1R | 6-3, 6-3 | 1.44 | 2.58 | 
		
			| Antalya 10 ITF | Round | Result | H | A | 
		
			| 20.03. |  | Marcinko P. - Cocciaretto E. | F | 1-6, 6-4, 6-4 | 1.50 | 2.44 | 
		
			| 19.03. |  | Marcinko P. - Wang Y. | SF | 6-0, 6-0 | 1.89 | 1.81 | 
		
			| 18.03. |  | Marcinko P. - Khirin N. | QF | 7-63, 65-7, 6-4 | 1.19 | 4.16 | 
		
			| 17.03. |  | Marcinko P. - Burillo Escorihuela I. | R16 | 6-3, 2-0 | 1.35 | 2.87 | 
		
			| 16.03. |  | Marcinko P. - Sato N. | 1R | 6-3, 6-1 | 1.27 | 3.36 | 
		
			| Antalya 9 ITF | Round | Result | H | A | 
		
			| 13.03. |  | Marcinko P. - Monnet C. | F | 6-4, 6-1 | 1.46 | 2.66 | 
		
			| 12.03. |  | Marcinko P. - Oz I. | SF | 7-63, 1-6, 6-3 | 2.04 | 1.71 | 
		
			| 11.03. |  | Marcinko P. - Cocciaretto E. | QF | 6-2, 6-1 | 2.64 | 1.43 | 
		
			| 10.03. |  | Marcinko P. - Jeanjean L. | R16 | 6-1, 7-64 | 2.30 | 1.56 | 
		
			| 09.03. |  | Marcinko P. - Lukas T. | 1R | 1-2 | 2.03 | 1.69 |