| Forli 3 challenger | Round | Result | H | A | 
		
			| 08.12. |  | Borto / Marto - Kotov / Matus | R16 | 6-3, 7-611 | 1.59 | 2.09 | 
		
			| Forli 2 challenger | Round | Result | H | A | 
		
			| 02.12. |  | Saban / Saban - Kotov / Matus | QF | 3-6, 6-4, 11-9 | 1.33 | 3.05 | 
		
			| 30.11. |  | Kotov / Matus - Cress / Geert | R16 | 66-7, 7-62, 10-5 | 2.31 | 1.53 | 
		
			| Bari challenger | Round | Result | H | A | 
		
			| 24.11. |  | Vavas / Vega - Ejupo / Kotov | R16 | 6-3, 5-7, 10-4 | 1.15 | 5.00 | 
		
			| Pau challenger | Round | Result | H | A | 
		
			| 16.11. |  | Lapal / Mayot - Kotov / Tseng | R16 | 6-4, 6-4 | 2.24 | 1.58 | 
		
			| Bergamo challenger | Round | Result | H | A | 
		
			| 04.11. |  | Forti / Gaio - Ajduk / Kotov | QF | 66-7, 7-5, 10-6 | 1.45 | 2.59 | 
		
			| 03.11. |  | Ajduk / Kotov - Herma / Matus | R16 | 3-6, 6-4, 10-8 | 2.38 | 1.52 | 
		
			| Moscow | Round | Result | H | A | 
		
			| 18.10. |  | Inglo / Skups - Kotov / Safiu | R16 | 6-3, 6-4 | 1.23 | 3.97 | 
		
			| Barletta challenger | Round | Result | H | A | 
		
			| 26.08. |  | Brouw / Sels - Bonda / Kotov | QF | 6-3, 6-4 | 1.80 | 1.90 | 
		
			| 25.08. |  | Bonda / Kotov - Cerre / Ore J | R16 | 3-6, 7-63, 10-7 | 2.25 | 1.57 | 
		
			| Verona challenger | Round | Result | H | A | 
		
			| 17.08. |  | Doumb / Rebou - Kotov / Tseng | R16 | 5-7, 6-1, 10-8 | 1.45 | 2.57 | 
		
			| San Marino challenger | Round | Result | H | A | 
		
			| 10.08. |  | King / Schnu - Kotov / Motti | R16 | 6-3, 6-2 | 1.30 | 3.25 | 
		
			| Segovia challenger | Round | Result | H | A | 
		
			| 27.07. |  | Falle / Moren - Cozbi / Kotov | R16 | 6-1, 6-4 | 1.66 | 2.09 | 
		
			| Nur-Sultan 4 challenger | Round | Result | H | A | 
		
			| 21.07. |  | Golub / Zakha - Kotov / Manaf | R16 |  | 3.60 | 1.25 | 
		
			| Astana 5 challenger | Round | Result | H | A | 
		
			| 15.07. |  | Bega / Denol - Kotov / Manaf | QF | 7-66, 6-2 | 2.25 | 1.56 | 
		
			| 15.07. |  | Kotov / Manaf - Golub / Zakha | R16 | 6-4, 6-2 | 1.08 | 6.84 | 
		
			| Almaty 3 challenger | Round | Result | H | A | 
		
			| 18.06. |  | Denol / Menen - Gabas / Kotov | SF | 6-3, 6-4 | 1.70 | 2.04 | 
		
			| 17.06. |  | Gabas / Kotov - Tashb / Zhuka | QF |  | 1.19 | 4.24 | 
		
			| Oeiras 2 challenger | Round | Result | H | A | 
		
			| 11.04. |  | Borge / Cabra - Kotov / Tseng | F | 6-1, 6-2 | 1.52 | 2.28 | 
		
			| 09.04. |  | Kotov / Tseng - Escob / Miedl | SF | 4-6, 6-2, 10-6 | 1.92 | 1.80 | 
		
			| 08.04. |  | Kotov / Tseng - Bourc / Galdo | QF | 6-4, 6-4 | 1.99 | 1.72 | 
		
			| 07.04. |  | Kotov / Tseng - Faria / Torre | R16 | 6-2, 6-4 | 1.09 | 6.61 | 
		
			| Oeiras challenger | Round | Result | H | A | 
		
			| 01.04. |  | Miedl / Serda - Kotov / Vatut | QF | 6-4, 6-4 | 1.59 | 2.21 | 
		
			| 31.03. |  | Kotov / Vatut - Galdo / Marto | R16 | 6-4, 6-4 | 2.44 | 1.47 | 
		
			| St. Petersburg challenger | Round | Result | H | A | 
		
			| 04.03. |  | De Jo / Verbe - Kotov / Safiu | QF | 6-2, 6-2 | 2.16 | 1.63 | 
		
			| 03.03. |  | Kotov / Safiu - Ignat / Kopri | R16 | 6-1, 6-2 | 1.43 | 2.65 | 
		
			| Nur-Sultan challenger | Round | Result | H | A | 
		
			| 26.02. |  | Molch / Nedov - Kotov / Wu T. | QF |  |  |  | 
		
			| 23.02. |  | Kotov / Wu T. - Lomak / Manaf | R16 | 3-6, 6-2, 10-6 | 1.84 | 1.79 |