| San Diego | Round | Result | H | A | 
		
			| 13.09. |  | Colli / Vande - Kosty / Parks | R16 | 6-3, 4-6, 10-3 | 2.41 | 1.49 | 
		
			| US Open | Round | Result | H | A | 
		
			| 04.09. |  | Gauff / Pegul - Kosty / Ruse | R16 | 6-4, 6-1 | 1.25 | 3.73 | 
		
			| 01.09. |  | Kosty / Ruse - Savil / Khrom | 2R | 6-2, 6-2 | 1.42 | 2.69 | 
		
			| 30.08. |  | Kosty / Ruse - Begu / Kalin | 1R | 7-5, 6-2 | 1.50 | 2.49 | 
		
			| Cincinnati WTA | Round | Result | H | A | 
		
			| 14.08. |  | Plisk / Vekic - Garci / Kosty | 1R | 6-4, 2-6, 10-8 | 3.15 | 1.32 | 
		
			| Montreal WTA | Round | Result | H | A | 
		
			| 11.08. |  | Hunte / Merte - Kosty / Zhang | R16 | 6-4, 6-1 | 1.32 | 3.24 | 
		
			| 07.08. |  | Kosty / Zhang - Mihal / Xu Y. | 1R | 6-3, 6-4 | 1.47 | 2.55 | 
		
			| Wimbledon | Round | Result | H | A | 
		
			| 10.07. |  | Skoch / Vondr - Kosty / Ruse | 2R | 1-6, 6-1, 6-4 | 1.83 | 1.94 | 
		
			| 07.07. |  | Kosty / Ruse - Peter / Schmi | 1R | 7-5, 6-3 | 1.17 | 4.83 | 
		
			| Birmingham | Round | Result | H | A | 
		
			| 25.06. |  | Kosty / Krejc - Hunte / Parks | F | 6-2, 7-67 | 1.42 | 2.73 | 
		
			| 24.06. |  | Kosty / Krejc - Linet / Pera | SF | 6-3, 6-4 | 1.41 | 2.78 | 
		
			| 22.06. |  | Kosty / Krejc - Chris / Colli | QF | 6-3, 5-7, 10-5 | 1.16 | 4.81 | 
		
			| 19.06. |  | Kosty / Krejc - Kalas / Shyma | R16 | 64-7, 6-4, 10-6 | 1.21 | 4.19 | 
		
			| French Open | Round | Result | H | A | 
		
			| 04.06. |  | Gauff / Pegul - Kosty / Ruse | R16 | 64-7, 6-4, 6-2 | 1.21 | 4.31 | 
		
			| 03.06. |  | Kosty / Ruse - Flipk / Roger | 2R | 3-6, 6-4, 6-3 | 1.56 | 2.35 | 
		
			| 01.06. |  | Kosty / Ruse - Blink / Grach | 1R | 6-3, 3-6, 6-2 | 1.21 | 4.21 | 
		
			| Rome WTA | Round | Result | H | A | 
		
			| 14.05. |  | Krawc / Schuu - Kosty / Ruse | R16 | 6-0, 6-1 | 1.68 | 2.14 | 
		
			| 13.05. |  | Kosty / Ruse - Mihal / Parks | 1R | 6-2, 6-4 | 1.37 | 2.99 | 
		
			| Madrid WTA | Round | Result | H | A | 
		
			| 05.05. |  | Gauff / Pegul - Kosty / Ruse | SF | 7-5, 7-65 | 1.24 | 3.95 | 
		
			| 02.05. |  | Kosty / Ruse - Nicul / Ninom | QF | 2-6, 6-2, 10-5 | 1.73 | 2.05 | 
		
			| 29.04. |  | Kosty / Ruse - Pavly / Rybak | R16 |  | 2.61 | 1.47 | 
		
			| 28.04. |  | Kosty / Ruse - Babos / Danil | 1R | 6-4, 4-6, 12-10 | 1.65 | 2.18 | 
		
			| Indian Wells | Round | Result | H | A | 
		
			| 12.03. |  | Kiche / Ostap - Kosty / Ruse | 1R | 6-2, 6-3 | 1.54 | 2.36 | 
		
			| Austin | Round | Result | H | A | 
		
			| 28.02. |  | Parks / Steph - Kosty / Yastr | R16 | 7-5, 3-6, 10-6 | 2.16 | 1.66 | 
		
			| Australian Open | Round | Result | H | A | 
		
			| 27.01. |  | Krejc / Sinia - Kosty / Ruse | SF | 6-2, 6-2 | 1.23 | 4.06 | 
		
			| 25.01. |  | Kosty / Ruse - Hunte / Merte | QF | 7-66, 2-6, 6-4 | 2.94 | 1.38 | 
		
			| 23.01. |  | Kosty / Ruse - Skoch / Vondr | R16 | 6-3, 6-4 | 2.12 | 1.69 | 
		
			| 21.01. |  | Kosty / Ruse - Melic / Perez | 2R | 3-6, 7-67, 6-0 | 2.68 | 1.44 | 
		
			| 19.01. |  | Kosty / Ruse - Colli / Watso | 1R | 6-4, 6-2 | 1.76 | 2.00 | 
		
			| Adelaide 2 | Round | Result | H | A | 
		
			| 09.01. |  | Kiche / Ostap - Kalas / Kosty | R16 | 6-0, 6-1 | 1.36 | 3.00 | 
		
			| Adelaide | Round | Result | H | A | 
		
			| 01.01. |  | Kuder / Samso - Kosty / Sheri | 1R | 6-2, 6-3 | 1.34 | 3.12 |